GCF for 35 and 77

What is the Greatest common Divisor of 35 and 77?

Answer: GCF of 35 and 77 is 7

(Seven)

Finding GCF for 35 and 77 using all factors (divisors) listing

The first method to find GCF for numbers 35 and 77 is to list all factors for both numbers and pick the highest common one:

All factors of 35: 1, 5, 7, 35

All factors of 77: 1, 7, 11, 77

So the Greatest Common Factor for 35 and 77 is 7

Finding GCF for 35 and 77 by Prime Factorization

The second method to find GCF for numbers 35 and 77 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 35: 5, 7

All Prime Factors of 77: 7, 11

As we can see there is only one Prime Factor common to both numbers. It is 7

So 7 is the Greatest Common Factor of 35 and 77

GCF Table

Number 1Number 2GCF
20771
2177
2277
23771
24771
25771
26771
27771
28777
29771
3077
31771
32771
3377
34771
3577
36771
3777
38771
39771
40771
41771
4277
43771
4477
45771
46771
47771
48771
49777

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 35 and 77? (The answer is: 7). Select the first number (e.g. '35') and the second number (e.g. '77'). 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 35 and 77?

GCF of 35 and 77 is 7