What is the Greatest Common Factor of 55155 and 55170?

Greatest common factor (GCF) of 55155 and 55170 is 15.

GCF(55155,55170) = 15

We will now calculate the prime factors of 55155 and 55170, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55155 and 55170.

How to find the GCF of 55155 and 55170?

We will first find the prime factorization of 55155 and 55170. After we will calculate the factors of 55155 and 55170 and find the biggest common factor number .

Step-1: Prime Factorization of 55155

Prime factors of 55155 are 3, 5, 3677. Prime factorization of 55155 in exponential form is:

55155 = 3¹ × 5¹ × 3677¹

Step-2: Prime Factorization of 55170

Prime factors of 55170 are 2, 3, 5, 613. Prime factorization of 55170 in exponential form is:

55170 = 2¹ × 3² × 5¹ × 613¹

Step-3: Factors of 55155

List of positive integer factors of 55155 that divides 55155 without a remainder.

1, 3, 5, 15, 3677, 11031, 18385

Step-4: Factors of 55170

List of positive integer factors of 55170 that divides 55155 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 613, 1226, 1839, 3065, 3678, 5517, 6130, 9195, 11034, 18390, 27585

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55155 and 55170. The biggest common factor number is the GCF number.
So the greatest common factor 55155 and 55170 is 15.

Also check out the Least Common Multiple of 55155 and 55170