What is the Greatest Common Factor of 51545 and 51555?

Greatest common factor (GCF) of 51545 and 51555 is 5.

GCF(51545,51555) = 5

We will now calculate the prime factors of 51545 and 51555, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51545 and 51555.

How to find the GCF of 51545 and 51555?

We will first find the prime factorization of 51545 and 51555. After we will calculate the factors of 51545 and 51555 and find the biggest common factor number .

Step-1: Prime Factorization of 51545

Prime factors of 51545 are 5, 13, 61. Prime factorization of 51545 in exponential form is:

51545 = 5¹ × 13² × 61¹

Step-2: Prime Factorization of 51555

Prime factors of 51555 are 3, 5, 7, 491. Prime factorization of 51555 in exponential form is:

51555 = 3¹ × 5¹ × 7¹ × 491¹

Step-3: Factors of 51545

List of positive integer factors of 51545 that divides 51545 without a remainder.

1, 5, 13, 61, 65, 169, 305, 793, 845, 3965, 10309

Step-4: Factors of 51555

List of positive integer factors of 51555 that divides 51545 without a remainder.

1, 3, 5, 7, 15, 21, 35, 105, 491, 1473, 2455, 3437, 7365, 10311, 17185

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51545 and 51555. The biggest common factor number is the GCF number.
So the greatest common factor 51545 and 51555 is 5.

Also check out the Least Common Multiple of 51545 and 51555