What is the Greatest Common Factor of 55220 and 55225?

Greatest common factor (GCF) of 55220 and 55225 is 5.

GCF(55220,55225) = 5

We will now calculate the prime factors of 55220 and 55225, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55220 and 55225.

How to find the GCF of 55220 and 55225?

We will first find the prime factorization of 55220 and 55225. After we will calculate the factors of 55220 and 55225 and find the biggest common factor number .

Step-1: Prime Factorization of 55220

Prime factors of 55220 are 2, 5, 11, 251. Prime factorization of 55220 in exponential form is:

55220 = 2² × 5¹ × 11¹ × 251¹

Step-2: Prime Factorization of 55225

Prime factors of 55225 are 5, 47. Prime factorization of 55225 in exponential form is:

55225 = 5² × 47²

Step-3: Factors of 55220

List of positive integer factors of 55220 that divides 55220 without a remainder.

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 1004, 1255, 2510, 2761, 5020, 5522, 11044, 13805, 27610

Step-4: Factors of 55225

List of positive integer factors of 55225 that divides 55220 without a remainder.

1, 5, 25, 47, 235, 1175, 2209, 11045

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55220 and 55225. The biggest common factor number is the GCF number.
So the greatest common factor 55220 and 55225 is 5.

Also check out the Least Common Multiple of 55220 and 55225