What is the Greatest Common Factor of 66988 and 66992?

Greatest common factor (GCF) of 66988 and 66992 is 4.

GCF(66988,66992) = 4

We will now calculate the prime factors of 66988 and 66992, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66988 and 66992.

How to find the GCF of 66988 and 66992?

We will first find the prime factorization of 66988 and 66992. After we will calculate the factors of 66988 and 66992 and find the biggest common factor number .

Step-1: Prime Factorization of 66988

Prime factors of 66988 are 2, 16747. Prime factorization of 66988 in exponential form is:

66988 = 2² × 16747¹

Step-2: Prime Factorization of 66992

Prime factors of 66992 are 2, 53, 79. Prime factorization of 66992 in exponential form is:

66992 = 2⁴ × 53¹ × 79¹

Step-3: Factors of 66988

List of positive integer factors of 66988 that divides 66988 without a remainder.

1, 2, 4, 16747, 33494

Step-4: Factors of 66992

List of positive integer factors of 66992 that divides 66988 without a remainder.

1, 2, 4, 8, 16, 53, 79, 106, 158, 212, 316, 424, 632, 848, 1264, 4187, 8374, 16748, 33496

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66988 and 66992. The biggest common factor number is the GCF number.
So the greatest common factor 66988 and 66992 is 4.

Also check out the Least Common Multiple of 66988 and 66992