What is the Greatest Common Factor of 61580 and 61590?

Greatest common factor (GCF) of 61580 and 61590 is 10.

GCF(61580,61590) = 10

We will now calculate the prime factors of 61580 and 61590, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61580 and 61590.

How to find the GCF of 61580 and 61590?

We will first find the prime factorization of 61580 and 61590. After we will calculate the factors of 61580 and 61590 and find the biggest common factor number .

Step-1: Prime Factorization of 61580

Prime factors of 61580 are 2, 5, 3079. Prime factorization of 61580 in exponential form is:

61580 = 2² × 5¹ × 3079¹

Step-2: Prime Factorization of 61590

Prime factors of 61590 are 2, 3, 5, 2053. Prime factorization of 61590 in exponential form is:

61590 = 2¹ × 3¹ × 5¹ × 2053¹

Step-3: Factors of 61580

List of positive integer factors of 61580 that divides 61580 without a remainder.

1, 2, 4, 5, 10, 20, 3079, 6158, 12316, 15395, 30790

Step-4: Factors of 61590

List of positive integer factors of 61590 that divides 61580 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2053, 4106, 6159, 10265, 12318, 20530, 30795

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61580 and 61590. The biggest common factor number is the GCF number.
So the greatest common factor 61580 and 61590 is 10.

Also check out the Least Common Multiple of 61580 and 61590