What is the Greatest Common Factor of 90580 and 90591?

Greatest common factor (GCF) of 90580 and 90591 is 1.

GCF(90580,90591) = 1

We will now calculate the prime factors of 90580 and 90591, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90580 and 90591.

How to find the GCF of 90580 and 90591?

We will first find the prime factorization of 90580 and 90591. After we will calculate the factors of 90580 and 90591 and find the biggest common factor number .

Step-1: Prime Factorization of 90580

Prime factors of 90580 are 2, 5, 7, 647. Prime factorization of 90580 in exponential form is:

90580 = 2² × 5¹ × 7¹ × 647¹

Step-2: Prime Factorization of 90591

Prime factors of 90591 are 3, 30197. Prime factorization of 90591 in exponential form is:

90591 = 3¹ × 30197¹

Step-3: Factors of 90580

List of positive integer factors of 90580 that divides 90580 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647, 1294, 2588, 3235, 4529, 6470, 9058, 12940, 18116, 22645, 45290

Step-4: Factors of 90591

List of positive integer factors of 90591 that divides 90580 without a remainder.

1, 3, 30197

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90580 and 90591. The biggest common factor number is the GCF number.
So the greatest common factor 90580 and 90591 is 1.

Also check out the Least Common Multiple of 90580 and 90591