What is the Greatest Common Factor of 15672 and 15681?

Greatest common factor (GCF) of 15672 and 15681 is 3.

GCF(15672,15681) = 3

We will now calculate the prime factors of 15672 and 15681, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15672 and 15681.

How to find the GCF of 15672 and 15681?

We will first find the prime factorization of 15672 and 15681. After we will calculate the factors of 15672 and 15681 and find the biggest common factor number .

Step-1: Prime Factorization of 15672

Prime factors of 15672 are 2, 3, 653. Prime factorization of 15672 in exponential form is:

15672 = 2³ × 3¹ × 653¹

Step-2: Prime Factorization of 15681

Prime factors of 15681 are 3, 5227. Prime factorization of 15681 in exponential form is:

15681 = 3¹ × 5227¹

Step-3: Factors of 15672

List of positive integer factors of 15672 that divides 15672 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 653, 1306, 1959, 2612, 3918, 5224, 7836

Step-4: Factors of 15681

List of positive integer factors of 15681 that divides 15672 without a remainder.

1, 3, 5227

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15672 and 15681. The biggest common factor number is the GCF number.
So the greatest common factor 15672 and 15681 is 3.

Also check out the Least Common Multiple of 15672 and 15681