What is the Greatest Common Factor of 90561 and 90580?

Greatest common factor (GCF) of 90561 and 90580 is 1.

GCF(90561,90580) = 1

We will now calculate the prime factors of 90561 and 90580, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90561 and 90580.

How to find the GCF of 90561 and 90580?

We will first find the prime factorization of 90561 and 90580. After we will calculate the factors of 90561 and 90580 and find the biggest common factor number .

Step-1: Prime Factorization of 90561

Prime factors of 90561 are 3, 30187. Prime factorization of 90561 in exponential form is:

90561 = 3¹ × 30187¹

Step-2: 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-3: Factors of 90561

List of positive integer factors of 90561 that divides 90561 without a remainder.

1, 3, 30187

Step-4: Factors of 90580

List of positive integer factors of 90580 that divides 90561 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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90561 and 90580. The biggest common factor number is the GCF number.
So the greatest common factor 90561 and 90580 is 1.

Also check out the Least Common Multiple of 90561 and 90580