What is the Greatest Common Factor of 39657 and 39663?

Greatest common factor (GCF) of 39657 and 39663 is 3.

GCF(39657,39663) = 3

We will now calculate the prime factors of 39657 and 39663, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39657 and 39663.

How to find the GCF of 39657 and 39663?

We will first find the prime factorization of 39657 and 39663. After we will calculate the factors of 39657 and 39663 and find the biggest common factor number .

Step-1: Prime Factorization of 39657

Prime factors of 39657 are 3, 13219. Prime factorization of 39657 in exponential form is:

39657 = 3¹ × 13219¹

Step-2: Prime Factorization of 39663

Prime factors of 39663 are 3, 13, 113. Prime factorization of 39663 in exponential form is:

39663 = 3³ × 13¹ × 113¹

Step-3: Factors of 39657

List of positive integer factors of 39657 that divides 39657 without a remainder.

1, 3, 13219

Step-4: Factors of 39663

List of positive integer factors of 39663 that divides 39657 without a remainder.

1, 3, 9, 13, 27, 39, 113, 117, 339, 351, 1017, 1469, 3051, 4407, 13221

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39657 and 39663. The biggest common factor number is the GCF number.
So the greatest common factor 39657 and 39663 is 3.

Also check out the Least Common Multiple of 39657 and 39663