What is the Greatest Common Factor of 70521 and 70525?

Greatest common factor (GCF) of 70521 and 70525 is 1.

GCF(70521,70525) = 1

We will now calculate the prime factors of 70521 and 70525, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70521 and 70525.

How to find the GCF of 70521 and 70525?

We will first find the prime factorization of 70521 and 70525. After we will calculate the factors of 70521 and 70525 and find the biggest common factor number .

Step-1: Prime Factorization of 70521

Prime factors of 70521 are 3, 11, 2137. Prime factorization of 70521 in exponential form is:

70521 = 3¹ × 11¹ × 2137¹

Step-2: Prime Factorization of 70525

Prime factors of 70525 are 5, 7, 13, 31. Prime factorization of 70525 in exponential form is:

70525 = 5² × 7¹ × 13¹ × 31¹

Step-3: Factors of 70521

List of positive integer factors of 70521 that divides 70521 without a remainder.

1, 3, 11, 33, 2137, 6411, 23507

Step-4: Factors of 70525

List of positive integer factors of 70525 that divides 70521 without a remainder.

1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 217, 325, 403, 455, 775, 1085, 2015, 2275, 2821, 5425, 10075, 14105

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70521 and 70525. The biggest common factor number is the GCF number.
So the greatest common factor 70521 and 70525 is 1.

Also check out the Least Common Multiple of 70521 and 70525