The greatest common factor of 84 and 42 is 42. Of course, the term refers to the largest number which is evenly divisible into the givens. So, since 2 X 42 = 84 and 1 X 42 = 42, and since there can be no factor of any number which is greater than that number itself, the gcf of 84 and 42 must be 42. Good luck. Truly.

Posted on Jul 27, 2014

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Posted on Jan 02, 2017

If you enter the ratios using the fraction entry key ( [a b/c] the results will be displayed as fractions. And when the calculator displays fractions they are always in their reduced form.

In general, when you are manipulating fractions ( Pi/2 is no a fraction even if you write it as one) you can try to simplify them by looking for the greatest common factor (GCF) of the numerator and denominator. When you simplify by the GCF the fraction that is left is in its reduced form.

In general, when you are manipulating fractions ( Pi/2 is no a fraction even if you write it as one) you can try to simplify them by looking for the greatest common factor (GCF) of the numerator and denominator. When you simplify by the GCF the fraction that is left is in its reduced form.

Jun 14, 2012 | Casio Office Equipment & Supplies

If you enter the ratios using the fraction entry key ( [a b/c] the
results will be displayed as fractions. And when the calculator
displays fractions they are always in their reduced form.

In general, when you are manipulating fractions ( Pi/2 is no a fraction even if you write it as one) you can try to simplify them by looking for the greatest common factor (GCF) of the numerator and denominator. When you simplify by the GCF the fraction that is left is in its reduced form.

In general, when you are manipulating fractions ( Pi/2 is no a fraction even if you write it as one) you can try to simplify them by looking for the greatest common factor (GCF) of the numerator and denominator. When you simplify by the GCF the fraction that is left is in its reduced form.

Jun 14, 2012 | Casio Office Equipment & Supplies

9=9x1

27=9x3

The greatest common factor of 9 and 27 is 9 itself. (27 is a multiple of 9.)

27=9x3

The greatest common factor of 9 and 27 is 9 itself. (27 is a multiple of 9.)

Feb 13, 2012 | Texas Instruments TI-30 XIIS Calculator

I don't think there's specific key for this but you can do it this way:

I hope this helps :)

- Divide those 2 numbers for which you want to find gcf
- If you get result as decimal number press keys [2nd][PRB] to display it as fraction
- Also if fraction you get is in form a b/c (ex. 1 2/3) you have to convert it to form d/c (for 1 2/3 that would be 5/3)
- Greatest common factor is then 1st number divided by numerator (or 2nd number divided by denominator)

- You want to find greatest common factor of 30 and 18.
- You divide them: you should get 5/3 (after converting result to fraction of form d/c, as described in steps 2 and 3).
- This means that 30/18=5/3=5x/3x (x is gcf here).
- Now you know that x=30/5=18/3=6 so greatest common factor is 6.

I hope this helps :)

Sep 10, 2011 | Texas Instruments TI-30 XIIS Calculator

There are no such buttons, You'll find the lcm (least common multiple) and gcd (greatest common divisor) functions in the MATH NUM menu. Press MATH, right-arrow, and select the desired function.

Jul 07, 2011 | Texas Instruments TI-84 Plus Silver...

1-Press 277634#*# phone will enter Service Menu

2-Select GCF Setting

3-Select GCF On

4-Phone reboot and unlocked working with any sim

Note:This Solution working with only old firmware version

Phone lock,user code

- Press 277634#*# phone will enter Service Menu

- Select Factory reset

- Phone reset and reboot

- Phone unlocked (All phone defaul setting).

Unlock LG KH1800

- Press menu - 0 (hold) enter code: 147359

- Phone enter Service menu

- Select GCF Test - Select Rel.99 or Rel.15 phone reboot and unlocked

2-Select GCF Setting

3-Select GCF On

4-Phone reboot and unlocked working with any sim

Note:This Solution working with only old firmware version

Phone lock,user code

- Press 277634#*# phone will enter Service Menu

- Select Factory reset

- Phone reset and reboot

- Phone unlocked (All phone defaul setting).

Unlock LG KH1800

- Press menu - 0 (hold) enter code: 147359

- Phone enter Service menu

- Select GCF Test - Select Rel.99 or Rel.15 phone reboot and unlocked

Sep 16, 2010 | LG Cyon

Free solution unlock LG-KH1200 CYON from Korea network (KTF).

-Press 277634#*# phone will enter Service Menu

-Select GCF Setting

-Select GCF On

-Phone reboot and unlocked working with any sim

Note:This Solution working with only old firmware version

-Press 277634#*# phone will enter Service Menu

-Select GCF Setting

-Select GCF On

-Phone reboot and unlocked working with any sim

Note:This Solution working with only old firmware version

Feb 20, 2010 | LG Cyon

There is a program on the Casio website. Here is the link if you want to follow it.

Feb 17, 2010 | Casio FX-9750GPlus Calculator

Apr 29, 2014 | Google Finance

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