What is the Greatest Common Factor of 55570 and 55580?

Greatest common factor (GCF) of 55570 and 55580 is 10.

GCF(55570,55580) = 10

We will now calculate the prime factors of 55570 and 55580, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55570 and 55580.

How to find the GCF of 55570 and 55580?

We will first find the prime factorization of 55570 and 55580. After we will calculate the factors of 55570 and 55580 and find the biggest common factor number .

Step-1: Prime Factorization of 55570

Prime factors of 55570 are 2, 5, 5557. Prime factorization of 55570 in exponential form is:

55570 = 2¹ × 5¹ × 5557¹

Step-2: Prime Factorization of 55580

Prime factors of 55580 are 2, 5, 7, 397. Prime factorization of 55580 in exponential form is:

55580 = 2² × 5¹ × 7¹ × 397¹

Step-3: Factors of 55570

List of positive integer factors of 55570 that divides 55570 without a remainder.

1, 2, 5, 10, 5557, 11114, 27785

Step-4: Factors of 55580

List of positive integer factors of 55580 that divides 55570 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3970, 5558, 7940, 11116, 13895, 27790

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55570 and 55580. The biggest common factor number is the GCF number.
So the greatest common factor 55570 and 55580 is 10.

Also check out the Least Common Multiple of 55570 and 55580