What is the Greatest Common Factor of 68957 and 68972?

Greatest common factor (GCF) of 68957 and 68972 is 1.

GCF(68957,68972) = 1

We will now calculate the prime factors of 68957 and 68972, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68957 and 68972.

How to find the GCF of 68957 and 68972?

We will first find the prime factorization of 68957 and 68972. After we will calculate the factors of 68957 and 68972 and find the biggest common factor number .

Step-1: Prime Factorization of 68957

Prime factors of 68957 are 7, 9851. Prime factorization of 68957 in exponential form is:

68957 = 7¹ × 9851¹

Step-2: Prime Factorization of 68972

Prime factors of 68972 are 2, 43, 401. Prime factorization of 68972 in exponential form is:

68972 = 2² × 43¹ × 401¹

Step-3: Factors of 68957

List of positive integer factors of 68957 that divides 68957 without a remainder.

1, 7, 9851

Step-4: Factors of 68972

List of positive integer factors of 68972 that divides 68957 without a remainder.

1, 2, 4, 43, 86, 172, 401, 802, 1604, 17243, 34486

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68957 and 68972. The biggest common factor number is the GCF number.
So the greatest common factor 68957 and 68972 is 1.

Also check out the Least Common Multiple of 68957 and 68972