GCF and LCM Calculator Logo

What is the Greatest Common Factor of 66501 and 66507?

Greatest common factor (GCF) of 66501 and 66507 is 3.

GCF(66501,66507) = 3

We will now calculate the prime factors of 66501 and 66507, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66501 and 66507.

GCF Calculator and
and

How to find the GCF of 66501 and 66507?

We will first find the prime factorization of 66501 and 66507. After we will calculate the factors of 66501 and 66507 and find the biggest common factor number .

Step-1: Prime Factorization of 66501

Prime factors of 66501 are 3, 821. Prime factorization of 66501 in exponential form is:

66501 = 34 × 8211

Step-2: Prime Factorization of 66507

Prime factors of 66507 are 3, 7, 3167. Prime factorization of 66507 in exponential form is:

66507 = 31 × 71 × 31671

Step-3: Factors of 66501

List of positive integer factors of 66501 that divides 66501 without a remainder.

1, 3, 9, 27, 81, 821, 2463, 7389, 22167

Step-4: Factors of 66507

List of positive integer factors of 66507 that divides 66501 without a remainder.

1, 3, 7, 21, 3167, 9501, 22169

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66501 and 66507. The biggest common factor number is the GCF number.
So the greatest common factor 66501 and 66507 is 3.

Also check out the Least Common Multiple of 66501 and 66507