GCF and LCM Calculator Logo

What is the Greatest Common Factor of 82970 and 82990?

Greatest common factor (GCF) of 82970 and 82990 is 10.

GCF(82970,82990) = 10

We will now calculate the prime factors of 82970 and 82990, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82970 and 82990.

GCF Calculator and
and

How to find the GCF of 82970 and 82990?

We will first find the prime factorization of 82970 and 82990. After we will calculate the factors of 82970 and 82990 and find the biggest common factor number .

Step-1: Prime Factorization of 82970

Prime factors of 82970 are 2, 5, 8297. Prime factorization of 82970 in exponential form is:

82970 = 21 × 51 × 82971

Step-2: Prime Factorization of 82990

Prime factors of 82990 are 2, 5, 43, 193. Prime factorization of 82990 in exponential form is:

82990 = 21 × 51 × 431 × 1931

Step-3: Factors of 82970

List of positive integer factors of 82970 that divides 82970 without a remainder.

1, 2, 5, 10, 8297, 16594, 41485

Step-4: Factors of 82990

List of positive integer factors of 82990 that divides 82970 without a remainder.

1, 2, 5, 10, 43, 86, 193, 215, 386, 430, 965, 1930, 8299, 16598, 41495

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82970 and 82990. The biggest common factor number is the GCF number.
So the greatest common factor 82970 and 82990 is 10.

Also check out the Least Common Multiple of 82970 and 82990