What is the Greatest Common Factor of 55645 and 55665?

Greatest common factor (GCF) of 55645 and 55665 is 5.

GCF(55645,55665) = 5

We will now calculate the prime factors of 55645 and 55665, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55645 and 55665.

How to find the GCF of 55645 and 55665?

We will first find the prime factorization of 55645 and 55665. After we will calculate the factors of 55645 and 55665 and find the biggest common factor number .

Step-1: Prime Factorization of 55645

Prime factors of 55645 are 5, 31, 359. Prime factorization of 55645 in exponential form is:

55645 = 5¹ × 31¹ × 359¹

Step-2: Prime Factorization of 55665

Prime factors of 55665 are 3, 5, 1237. Prime factorization of 55665 in exponential form is:

55665 = 3² × 5¹ × 1237¹

Step-3: Factors of 55645

List of positive integer factors of 55645 that divides 55645 without a remainder.

1, 5, 31, 155, 359, 1795, 11129

Step-4: Factors of 55665

List of positive integer factors of 55665 that divides 55645 without a remainder.

1, 3, 5, 9, 15, 45, 1237, 3711, 6185, 11133, 18555

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55645 and 55665. The biggest common factor number is the GCF number.
So the greatest common factor 55645 and 55665 is 5.

Also check out the Least Common Multiple of 55645 and 55665