What is the Greatest Common Factor of 68972 and 68976?

Greatest common factor (GCF) of 68972 and 68976 is 4.

GCF(68972,68976) = 4

We will now calculate the prime factors of 68972 and 68976, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68972 and 68976.

How to find the GCF of 68972 and 68976?

We will first find the prime factorization of 68972 and 68976. After we will calculate the factors of 68972 and 68976 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 68976

Prime factors of 68976 are 2, 3, 479. Prime factorization of 68976 in exponential form is:

68976 = 2⁴ × 3² × 479¹

Step-3: Factors of 68972

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

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

Step-4: Factors of 68976

List of positive integer factors of 68976 that divides 68972 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 479, 958, 1437, 1916, 2874, 3832, 4311, 5748, 7664, 8622, 11496, 17244, 22992, 34488

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68972 and 68976. The biggest common factor number is the GCF number.
So the greatest common factor 68972 and 68976 is 4.

Also check out the Least Common Multiple of 68972 and 68976