What is the Greatest Common Factor of 15666 and 15672?

Greatest common factor (GCF) of 15666 and 15672 is 6.

GCF(15666,15672) = 6

We will now calculate the prime factors of 15666 and 15672, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15666 and 15672.

How to find the GCF of 15666 and 15672?

We will first find the prime factorization of 15666 and 15672. After we will calculate the factors of 15666 and 15672 and find the biggest common factor number .

Step-1: Prime Factorization of 15666

Prime factors of 15666 are 2, 3, 7, 373. Prime factorization of 15666 in exponential form is:

15666 = 2¹ × 3¹ × 7¹ × 373¹

Step-2: 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-3: Factors of 15666

List of positive integer factors of 15666 that divides 15666 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 373, 746, 1119, 2238, 2611, 5222, 7833

Step-4: Factors of 15672

List of positive integer factors of 15672 that divides 15666 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15666 and 15672. The biggest common factor number is the GCF number.
So the greatest common factor 15666 and 15672 is 6.

Also check out the Least Common Multiple of 15666 and 15672