What is the Greatest Common Factor of 38947 and 38956?

Greatest common factor (GCF) of 38947 and 38956 is 1.

GCF(38947,38956) = 1

We will now calculate the prime factors of 38947 and 38956, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38947 and 38956.

How to find the GCF of 38947 and 38956?

We will first find the prime factorization of 38947 and 38956. After we will calculate the factors of 38947 and 38956 and find the biggest common factor number .

Step-1: Prime Factorization of 38947

Prime factors of 38947 are 17, 29, 79. Prime factorization of 38947 in exponential form is:

38947 = 17¹ × 29¹ × 79¹

Step-2: Prime Factorization of 38956

Prime factors of 38956 are 2, 9739. Prime factorization of 38956 in exponential form is:

38956 = 2² × 9739¹

Step-3: Factors of 38947

List of positive integer factors of 38947 that divides 38947 without a remainder.

1, 17, 29, 79, 493, 1343, 2291

Step-4: Factors of 38956

List of positive integer factors of 38956 that divides 38947 without a remainder.

1, 2, 4, 9739, 19478

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38947 and 38956. The biggest common factor number is the GCF number.
So the greatest common factor 38947 and 38956 is 1.

Also check out the Least Common Multiple of 38947 and 38956