What is the Greatest Common Factor of 90715 and 90721?

Greatest common factor (GCF) of 90715 and 90721 is 1.

GCF(90715,90721) = 1

We will now calculate the prime factors of 90715 and 90721, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90715 and 90721.

How to find the GCF of 90715 and 90721?

We will first find the prime factorization of 90715 and 90721. After we will calculate the factors of 90715 and 90721 and find the biggest common factor number .

Step-1: Prime Factorization of 90715

Prime factors of 90715 are 5, 18143. Prime factorization of 90715 in exponential form is:

90715 = 5¹ × 18143¹

Step-2: Prime Factorization of 90721

Prime factors of 90721 are 257, 353. Prime factorization of 90721 in exponential form is:

90721 = 257¹ × 353¹

Step-3: Factors of 90715

List of positive integer factors of 90715 that divides 90715 without a remainder.

1, 5, 18143

Step-4: Factors of 90721

List of positive integer factors of 90721 that divides 90715 without a remainder.

1, 257, 353

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90715 and 90721. The biggest common factor number is the GCF number.
So the greatest common factor 90715 and 90721 is 1.

Also check out the Least Common Multiple of 90715 and 90721