What is the Greatest Common Factor of 66728 and 66736?

Greatest common factor (GCF) of 66728 and 66736 is 8.

GCF(66728,66736) = 8

We will now calculate the prime factors of 66728 and 66736, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66728 and 66736.

How to find the GCF of 66728 and 66736?

We will first find the prime factorization of 66728 and 66736. After we will calculate the factors of 66728 and 66736 and find the biggest common factor number .

Step-1: Prime Factorization of 66728

Prime factors of 66728 are 2, 19, 439. Prime factorization of 66728 in exponential form is:

66728 = 2³ × 19¹ × 439¹

Step-2: Prime Factorization of 66736

Prime factors of 66736 are 2, 43, 97. Prime factorization of 66736 in exponential form is:

66736 = 2⁴ × 43¹ × 97¹

Step-3: Factors of 66728

List of positive integer factors of 66728 that divides 66728 without a remainder.

1, 2, 4, 8, 19, 38, 76, 152, 439, 878, 1756, 3512, 8341, 16682, 33364

Step-4: Factors of 66736

List of positive integer factors of 66736 that divides 66728 without a remainder.

1, 2, 4, 8, 16, 43, 86, 97, 172, 194, 344, 388, 688, 776, 1552, 4171, 8342, 16684, 33368

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66728 and 66736. The biggest common factor number is the GCF number.
So the greatest common factor 66728 and 66736 is 8.

Also check out the Least Common Multiple of 66728 and 66736