GCF and LCM Calculator Logo

What is the Greatest Common Factor of 70991 and 71008?

Greatest common factor (GCF) of 70991 and 71008 is 1.

GCF(70991,71008) = 1

We will now calculate the prime factors of 70991 and 71008, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70991 and 71008.

GCF Calculator and
and

How to find the GCF of 70991 and 71008?

We will first find the prime factorization of 70991 and 71008. After we will calculate the factors of 70991 and 71008 and find the biggest common factor number .

Step-1: Prime Factorization of 70991

Prime factors of 70991 are 70991. Prime factorization of 70991 in exponential form is:

70991 = 709911

Step-2: Prime Factorization of 71008

Prime factors of 71008 are 2, 7, 317. Prime factorization of 71008 in exponential form is:

71008 = 25 × 71 × 3171

Step-3: Factors of 70991

List of positive integer factors of 70991 that divides 70991 without a remainder.

1

Step-4: Factors of 71008

List of positive integer factors of 71008 that divides 70991 without a remainder.

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 317, 634, 1268, 2219, 2536, 4438, 5072, 8876, 10144, 17752, 35504

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70991 and 71008. The biggest common factor number is the GCF number.
So the greatest common factor 70991 and 71008 is 1.

Also check out the Least Common Multiple of 70991 and 71008