What is the Greatest Common Factor of 75560 and 75580?

Greatest common factor (GCF) of 75560 and 75580 is 20.

GCF(75560,75580) = 20

We will now calculate the prime factors of 75560 and 75580, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75560 and 75580.

How to find the GCF of 75560 and 75580?

We will first find the prime factorization of 75560 and 75580. After we will calculate the factors of 75560 and 75580 and find the biggest common factor number .

Step-1: Prime Factorization of 75560

Prime factors of 75560 are 2, 5, 1889. Prime factorization of 75560 in exponential form is:

75560 = 2³ × 5¹ × 1889¹

Step-2: Prime Factorization of 75580

Prime factors of 75580 are 2, 5, 3779. Prime factorization of 75580 in exponential form is:

75580 = 2² × 5¹ × 3779¹

Step-3: Factors of 75560

List of positive integer factors of 75560 that divides 75560 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1889, 3778, 7556, 9445, 15112, 18890, 37780

Step-4: Factors of 75580

List of positive integer factors of 75580 that divides 75560 without a remainder.

1, 2, 4, 5, 10, 20, 3779, 7558, 15116, 18895, 37790

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75560 and 75580. The biggest common factor number is the GCF number.
So the greatest common factor 75560 and 75580 is 20.

Also check out the Least Common Multiple of 75560 and 75580