GCF for 39 and 117

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 39 and 117?

Answer: GCF of 39 and 117 is 39

(Thirty-nine)

Finding GCF for 39 and 117 using all factors (divisors) listing

The first method to find GCF for numbers 39 and 117 is to list all factors for both numbers and pick the highest common one:

All factors of 39: 1, 3, 13, 39

All factors of 117: 1, 3, 9, 13, 39, 117

So the Greatest Common Factor for 39 and 117 is 39

Finding GCF for 39 and 117 by Prime Factorization

The second method to find GCF for numbers 39 and 117 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 39: 3, 13

All Prime Factors of 117: 3, 3, 13

As we can see there are Prime Factors common to both numbers: 3, 13

Now we need to multiply them to find GCF: 3 × 13 = 39

See Also

About "Greatest Common Factor" Calculator

This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest common Divisor of 39 and 117? (The answer is: 39). Select the first number (e.g. '39') and the second number (e.g. '117'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

GCF Table

Number 1Number 2GCF
241173
251171
2611713
271179
281171
291171
301173
311171
321171
331173
341171
351171
361179
371171
381171
3911739
401171
411171
421173
431171
441171
451179
461171
471171
481173
491171
501171
511173
5211713
531171

FAQ

What is the Greatest common Divisor of 39 and 117?

GCF of 39 and 117 is 39

See Also