What is the Greatest Common Factor of 42521 and 42528?

Greatest common factor (GCF) of 42521 and 42528 is 1.

GCF(42521,42528) = 1

We will now calculate the prime factors of 42521 and 42528, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42521 and 42528.

How to find the GCF of 42521 and 42528?

We will first find the prime factorization of 42521 and 42528. After we will calculate the factors of 42521 and 42528 and find the biggest common factor number .

Step-1: Prime Factorization of 42521

Prime factors of 42521 are 101, 421. Prime factorization of 42521 in exponential form is:

42521 = 101¹ × 421¹

Step-2: Prime Factorization of 42528

Prime factors of 42528 are 2, 3, 443. Prime factorization of 42528 in exponential form is:

42528 = 2⁵ × 3¹ × 443¹

Step-3: Factors of 42521

List of positive integer factors of 42521 that divides 42521 without a remainder.

1, 101, 421

Step-4: Factors of 42528

List of positive integer factors of 42528 that divides 42521 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 443, 886, 1329, 1772, 2658, 3544, 5316, 7088, 10632, 14176, 21264

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42521 and 42528. The biggest common factor number is the GCF number.
So the greatest common factor 42521 and 42528 is 1.

Also check out the Least Common Multiple of 42521 and 42528