GCF for 52 and 91

What is the Greatest common Divisor of 52 and 91?

Answer: GCF of 52 and 91 is 13

(Thirteen)

Finding GCF for 52 and 91 using all factors (divisors) listing

The first method to find GCF for numbers 52 and 91 is to list all factors for both numbers and pick the highest common one:

All factors of 52: 1, 2, 4, 13, 26, 52

All factors of 91: 1, 7, 13, 91

So the Greatest Common Factor for 52 and 91 is 13

Finding GCF for 52 and 91 by Prime Factorization

The second method to find GCF for numbers 52 and 91 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 52: 2, 2, 13

All Prime Factors of 91: 7, 13

As we can see there is only one Prime Factor common to both numbers. It is 13

So 13 is the Greatest Common Factor of 52 and 91

See Also

GCF Table

Number 1Number 2GCF
37911
38911
3991
40911
41911
4291
43911
44911
45911
46911
47911
48911
49917
50911
51911
5291
53911
54911
55911
56917
57911
58911
59911
6091
61911
62911
6391
64911
6591
66911

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 52 and 91? (The answer is: 13). Select the first number (e.g. '52') and the second number (e.g. '91'). 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

FAQ

What is the Greatest common Divisor of 52 and 91?

GCF of 52 and 91 is 13