What is the Greatest Common Factor of 51255 and 51261?

Greatest common factor (GCF) of 51255 and 51261 is 3.

GCF(51255,51261) = 3

We will now calculate the prime factors of 51255 and 51261, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51255 and 51261.

How to find the GCF of 51255 and 51261?

We will first find the prime factorization of 51255 and 51261. After we will calculate the factors of 51255 and 51261 and find the biggest common factor number .

Step-1: Prime Factorization of 51255

Prime factors of 51255 are 3, 5, 17, 67. Prime factorization of 51255 in exponential form is:

51255 = 3² × 5¹ × 17¹ × 67¹

Step-2: Prime Factorization of 51261

Prime factors of 51261 are 3, 7, 2441. Prime factorization of 51261 in exponential form is:

51261 = 3¹ × 7¹ × 2441¹

Step-3: Factors of 51255

List of positive integer factors of 51255 that divides 51255 without a remainder.

1, 3, 5, 9, 15, 17, 45, 51, 67, 85, 153, 201, 255, 335, 603, 765, 1005, 1139, 3015, 3417, 5695, 10251, 17085

Step-4: Factors of 51261

List of positive integer factors of 51261 that divides 51255 without a remainder.

1, 3, 7, 21, 2441, 7323, 17087

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51255 and 51261. The biggest common factor number is the GCF number.
So the greatest common factor 51255 and 51261 is 3.

Also check out the Least Common Multiple of 51255 and 51261