What is the Greatest Common Factor of 15478 and 15492?

Greatest common factor (GCF) of 15478 and 15492 is 2.

GCF(15478,15492) = 2

We will now calculate the prime factors of 15478 and 15492, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15478 and 15492.

How to find the GCF of 15478 and 15492?

We will first find the prime factorization of 15478 and 15492. After we will calculate the factors of 15478 and 15492 and find the biggest common factor number .

Step-1: Prime Factorization of 15478

Prime factors of 15478 are 2, 71, 109. Prime factorization of 15478 in exponential form is:

15478 = 2¹ × 71¹ × 109¹

Step-2: Prime Factorization of 15492

Prime factors of 15492 are 2, 3, 1291. Prime factorization of 15492 in exponential form is:

15492 = 2² × 3¹ × 1291¹

Step-3: Factors of 15478

List of positive integer factors of 15478 that divides 15478 without a remainder.

1, 2, 71, 109, 142, 218, 7739

Step-4: Factors of 15492

List of positive integer factors of 15492 that divides 15478 without a remainder.

1, 2, 3, 4, 6, 12, 1291, 2582, 3873, 5164, 7746

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15478 and 15492. The biggest common factor number is the GCF number.
So the greatest common factor 15478 and 15492 is 2.

Also check out the Least Common Multiple of 15478 and 15492