What is the Greatest Common Factor of 39540 and 39557?

Greatest common factor (GCF) of 39540 and 39557 is 1.

GCF(39540,39557) = 1

We will now calculate the prime factors of 39540 and 39557, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39540 and 39557.

How to find the GCF of 39540 and 39557?

We will first find the prime factorization of 39540 and 39557. After we will calculate the factors of 39540 and 39557 and find the biggest common factor number .

Step-1: Prime Factorization of 39540

Prime factors of 39540 are 2, 3, 5, 659. Prime factorization of 39540 in exponential form is:

39540 = 2² × 3¹ × 5¹ × 659¹

Step-2: Prime Factorization of 39557

Prime factors of 39557 are 7, 5651. Prime factorization of 39557 in exponential form is:

39557 = 7¹ × 5651¹

Step-3: Factors of 39540

List of positive integer factors of 39540 that divides 39540 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 659, 1318, 1977, 2636, 3295, 3954, 6590, 7908, 9885, 13180, 19770

Step-4: Factors of 39557

List of positive integer factors of 39557 that divides 39540 without a remainder.

1, 7, 5651

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39540 and 39557. The biggest common factor number is the GCF number.
So the greatest common factor 39540 and 39557 is 1.

Also check out the Least Common Multiple of 39540 and 39557