What is the Greatest Common Factor of 51135 and 51155?

Greatest common factor (GCF) of 51135 and 51155 is 5.

GCF(51135,51155) = 5

We will now calculate the prime factors of 51135 and 51155, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51135 and 51155.

How to find the GCF of 51135 and 51155?

We will first find the prime factorization of 51135 and 51155. After we will calculate the factors of 51135 and 51155 and find the biggest common factor number .

Step-1: Prime Factorization of 51135

Prime factors of 51135 are 3, 5, 7, 487. Prime factorization of 51135 in exponential form is:

51135 = 3¹ × 5¹ × 7¹ × 487¹

Step-2: Prime Factorization of 51155

Prime factors of 51155 are 5, 13, 787. Prime factorization of 51155 in exponential form is:

51155 = 5¹ × 13¹ × 787¹

Step-3: Factors of 51135

List of positive integer factors of 51135 that divides 51135 without a remainder.

1, 3, 5, 7, 15, 21, 35, 105, 487, 1461, 2435, 3409, 7305, 10227, 17045

Step-4: Factors of 51155

List of positive integer factors of 51155 that divides 51135 without a remainder.

1, 5, 13, 65, 787, 3935, 10231

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51135 and 51155. The biggest common factor number is the GCF number.
So the greatest common factor 51135 and 51155 is 5.

Also check out the Least Common Multiple of 51135 and 51155