What is the Greatest Common Factor of 3970 and 3982?

Greatest common factor (GCF) of 3970 and 3982 is 2.

GCF(3970,3982) = 2

We will now calculate the prime factors of 3970 and 3982, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3970 and 3982.

How to find the GCF of 3970 and 3982?

We will first find the prime factorization of 3970 and 3982. After we will calculate the factors of 3970 and 3982 and find the biggest common factor number .

Step-1: Prime Factorization of 3970

Prime factors of 3970 are 2, 5, 397. Prime factorization of 3970 in exponential form is:

3970 = 2¹ × 5¹ × 397¹

Step-2: Prime Factorization of 3982

Prime factors of 3982 are 2, 11, 181. Prime factorization of 3982 in exponential form is:

3982 = 2¹ × 11¹ × 181¹

Step-3: Factors of 3970

List of positive integer factors of 3970 that divides 3970 without a remainder.

1, 2, 5, 10, 397, 794, 1985

Step-4: Factors of 3982

List of positive integer factors of 3982 that divides 3970 without a remainder.

1, 2, 11, 22, 181, 362, 1991

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3970 and 3982. The biggest common factor number is the GCF number.
So the greatest common factor 3970 and 3982 is 2.

Also check out the Least Common Multiple of 3970 and 3982