What is the Greatest Common Factor of 79542 and 79557?

Greatest common factor (GCF) of 79542 and 79557 is 3.

GCF(79542,79557) = 3

We will now calculate the prime factors of 79542 and 79557, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79542 and 79557.

How to find the GCF of 79542 and 79557?

We will first find the prime factorization of 79542 and 79557. After we will calculate the factors of 79542 and 79557 and find the biggest common factor number .

Step-1: Prime Factorization of 79542

Prime factors of 79542 are 2, 3, 491. Prime factorization of 79542 in exponential form is:

79542 = 2¹ × 3⁴ × 491¹

Step-2: Prime Factorization of 79557

Prime factors of 79557 are 3, 23, 1153. Prime factorization of 79557 in exponential form is:

79557 = 3¹ × 23¹ × 1153¹

Step-3: Factors of 79542

List of positive integer factors of 79542 that divides 79542 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 491, 982, 1473, 2946, 4419, 8838, 13257, 26514, 39771

Step-4: Factors of 79557

List of positive integer factors of 79557 that divides 79542 without a remainder.

1, 3, 23, 69, 1153, 3459, 26519

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79542 and 79557. The biggest common factor number is the GCF number.
So the greatest common factor 79542 and 79557 is 3.

Also check out the Least Common Multiple of 79542 and 79557