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Posted on Jan 02, 2017

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First add 2/3 (4/6) + 1/2 (3/6) = (7/6) = 1.1666

6 divided by 1.1666 = 5.1431

6 divided by 1.1666 = 5.1431

Oct 03, 2017 | Office Equipment & Supplies

No it isn't as 1,2,4,8 can be used to divide it prime's are only dividable by 1 or itself only

20 is 1,2,4,5,10

20 is 1,2,4,5,10

Jan 23, 2017 | The Computers & Internet

Hi

Here we go

52 - can be divided by 2 - therefore NOT Prime

63 - can be divided by 3 - therefore NOT Prime

75 - can be divided by 5 - therefore NOT Prime

31 - cannot be divided by whole numbers - therefore Prime

77 - can be divided by 7 - therefore NOT Prime

59 - cannot be divided by whole numbers - therefore Prime

87 - cannot be divided by whole numbers - therefore*Prime*

Hope this is helpful, if so would you please register that with Fixya

Cheers

Here we go

52 - can be divided by 2 - therefore NOT Prime

63 - can be divided by 3 - therefore NOT Prime

75 - can be divided by 5 - therefore NOT Prime

31 - cannot be divided by whole numbers - therefore Prime

77 - can be divided by 7 - therefore NOT Prime

59 - cannot be divided by whole numbers - therefore Prime

87 - cannot be divided by whole numbers - therefore

Hope this is helpful, if so would you please register that with Fixya

Cheers

Mar 08, 2015 | Computers & Internet

8/9 divided by 7/6. = 8/9 times 6/7. 8x6=48. 97x63= 48/63

Feb 21, 2015 | Computers & Internet

First, find out how many whole times 24 will go into 67

67/24 = 2 with a remainder that we don't care about. Write down 2

Next, multiply that answer (2) by 24 2 X 24=48

Subtract that 48 from 67 67-48=19

bring down next digit (8) append to the19 198

divide 24 into 198 198/24=8 Write down 8

multiply that answer by 24 8 X 24 =192

Subtract that 192 from 198 198 - 192 = 6

bring down next digit (7) append to the 6 67

divide 24 into 67 67/24 =2 Write down 2

multiply that answer by 24 2 X 24 = 48

subtract 48 from 67 27-24=19

bring down next digit (2)append to the 19 192

divide 24 into 192 192/24 = 8 Write down 8

multiply that answer by 24 24 X 8=192

subtract 192 from 192 192-192=0 You're done!

Your answer is the numbers you wrote down after the divisions = 2848

2 8 4 8

----------------------

24 ) 67872

- 48

198

-192

67

- 48

192

- 192

0

67/24 = 2 with a remainder that we don't care about. Write down 2

Next, multiply that answer (2) by 24 2 X 24=48

Subtract that 48 from 67 67-48=19

bring down next digit (8) append to the19 198

divide 24 into 198 198/24=8 Write down 8

multiply that answer by 24 8 X 24 =192

Subtract that 192 from 198 198 - 192 = 6

bring down next digit (7) append to the 6 67

divide 24 into 67 67/24 =2 Write down 2

multiply that answer by 24 2 X 24 = 48

subtract 48 from 67 27-24=19

bring down next digit (2)append to the 19 192

divide 24 into 192 192/24 = 8 Write down 8

multiply that answer by 24 24 X 8=192

subtract 192 from 192 192-192=0 You're done!

Your answer is the numbers you wrote down after the divisions = 2848

2 8 4 8

----------------------

24 ) 67872

- 48

198

-192

67

- 48

192

- 192

0

Oct 15, 2014 | Office Equipment & Supplies

One trick I use is to add up all the digits and divide by 3. If the answer is even, (a multiple of 3), it's not a prime number.

57 = 5+7=12. 12 divides by 3 evenly (4), is not a prime.

59 = 5+9=14. 14 does not divide by 3 evenly, therefore prime.

999 = 9+9+9=27 divide by 3 = 9, not prime

997 = 9+9+7=25 divide by 3=8.3 not even and is prime

57 = 5+7=12. 12 divides by 3 evenly (4), is not a prime.

59 = 5+9=14. 14 does not divide by 3 evenly, therefore prime.

999 = 9+9+9=27 divide by 3 = 9, not prime

997 = 9+9+7=25 divide by 3=8.3 not even and is prime

May 30, 2014 | Computers & Internet

This calculator does not have a key that you can use to find the prime factor of an integer.

You can however use the calculator to find the factors

1.** If number is even divide it by 2**

Keep dividing by 2, while keeping track of how many times you divided by 2.

If you divided 5 times by 2 before getting an odd number, then your first factor is 2^5

2.**Now try dividing by 3**, keep track of the number of times you divided by 3 before you could not divide by 3 any more. If you divided 0 times by 3, your second factor is 3^0, or 1 and 3 is not a factor.

If you divided 4 times by 3, your second factor is 3^4

3.**Divide by 5,** until you can't any more. Keep track of the number of times you divided by 5.

4. Divide by all other prime numbers 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, etc. For each prime number, keep track of how many times you divided by it, until you could not any more.

**Example: 23100**

*Division by 2*

23100/2=11550 ---------> 1 division by 2

11550/2=5775 ----------> 2 divisions by 2

Note that 5775 is not divisible by 2.** No more divisions by 2. **

First factor is 2^2

*Division by 3:*

5775/3=1925 ----------> 1 division by 3

1925/3=641. 66667 Not an integer. No more divisions by 3.

**2nd factor is 3^1**

*Division by 5 (number ends in 5)*

1925/5 =385 -------> 1 division by 5

385/5=77 ----------> 2 divisions by 5 and no more (quotient does not end in 0 or 5)

**3rd factor is 5^2**

*Division by 7 *

77/7=11 --------> 1 division by 7, and no more

**4th factor is 7^1=7**

*Division by 11*

11/11=1

**5th factor is 11^1=11**

Assembling the factors 2^2, 3^1, 5^2, 7, 11

Prime factorization of 23100 is

**23100=(2^2)(3)(5^2)(7)11**

You can however use the calculator to find the factors

1.

Keep dividing by 2, while keeping track of how many times you divided by 2.

If you divided 5 times by 2 before getting an odd number, then your first factor is 2^5

2.

If you divided 4 times by 3, your second factor is 3^4

3.

4. Divide by all other prime numbers 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, etc. For each prime number, keep track of how many times you divided by it, until you could not any more.

23100/2=11550 ---------> 1 division by 2

11550/2=5775 ----------> 2 divisions by 2

Note that 5775 is not divisible by 2.

First factor is 2^2

5775/3=1925 ----------> 1 division by 3

1925/3=641. 66667 Not an integer. No more divisions by 3.

1925/5 =385 -------> 1 division by 5

385/5=77 ----------> 2 divisions by 5 and no more (quotient does not end in 0 or 5)

77/7=11 --------> 1 division by 7, and no more

11/11=1

Assembling the factors 2^2, 3^1, 5^2, 7, 11

Prime factorization of 23100 is

Dec 18, 2013 | Texas Instruments TI-30XA Calculator

It is unclear whether your equation is:

a: ((SQRT61) - 7) / 2

or

b: ((SQRT61) / 2) - 7

For a:

Type 61 SQRT.

Subtract 7.

Equals.

Divide by 2.

Equals. (Should be 0.4051248...)

For b:

Type 61 then SQRT.

Then divide by 2.

Equals.

Then subtract 7.

Equals. (Should be -3.094875...)

Good luck.

a: ((SQRT61) - 7) / 2

or

b: ((SQRT61) / 2) - 7

For a:

Type 61 SQRT.

Subtract 7.

Equals.

Divide by 2.

Equals. (Should be 0.4051248...)

For b:

Type 61 then SQRT.

Then divide by 2.

Equals.

Then subtract 7.

Equals. (Should be -3.094875...)

Good luck.

Apr 15, 2011 | Texas Instruments TI-30XA Calculator

X = 3 (

10x minus 3x equals 20 plus 1

10X minus 3X is 7X (right?)

20 plus 1 is 21 (right?)

therefore:

7X = 21

now divide both sides of the equals sign by 7

7X divided by 7 equals 21 divided by 7

7X / 7 = 21/7

X = 3 (

More math? Ask for Gort007

Thanks for trusting

Sep 14, 2010 | Mathsoft StudyWorks! Mathematics Deluxe...

It's all due to the "base" in which you count,

and your definition of "exactly" divided,

right down to each of the 7 pieces being the *SAME* number of atomic particles, placed end-to-end.

If you used "base-seven", then 22 (base-ten) would be written as 31 (base-seven). So, 31 (base-seven) divided by 7 (base-7) would be '3.1' (3 times 1*7**0 + 1/7**1), where '3.1' (base-seven) is *NOT* an irrational number.

and your definition of "exactly" divided,

right down to each of the 7 pieces being the *SAME* number of atomic particles, placed end-to-end.

If you used "base-seven", then 22 (base-ten) would be written as 31 (base-seven). So, 31 (base-seven) divided by 7 (base-7) would be '3.1' (3 times 1*7**0 + 1/7**1), where '3.1' (base-seven) is *NOT* an irrational number.

Jun 12, 2010 | Mathsoft StudyWorks! Middle School Deluxe...

Nov 22, 2017 | Computers & Internet

Nov 22, 2017 | Computers & Internet

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