What is the Greatest Common Factor of 61356 and 61365?

Greatest common factor (GCF) of 61356 and 61365 is 3.

GCF(61356,61365) = 3

We will now calculate the prime factors of 61356 and 61365, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61356 and 61365.

How to find the GCF of 61356 and 61365?

We will first find the prime factorization of 61356 and 61365. After we will calculate the factors of 61356 and 61365 and find the biggest common factor number .

Step-1: Prime Factorization of 61356

Prime factors of 61356 are 2, 3, 5113. Prime factorization of 61356 in exponential form is:

61356 = 2² × 3¹ × 5113¹

Step-2: Prime Factorization of 61365

Prime factors of 61365 are 3, 5, 4091. Prime factorization of 61365 in exponential form is:

61365 = 3¹ × 5¹ × 4091¹

Step-3: Factors of 61356

List of positive integer factors of 61356 that divides 61356 without a remainder.

1, 2, 3, 4, 6, 12, 5113, 10226, 15339, 20452, 30678

Step-4: Factors of 61365

List of positive integer factors of 61365 that divides 61356 without a remainder.

1, 3, 5, 15, 4091, 12273, 20455

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61356 and 61365. The biggest common factor number is the GCF number.
So the greatest common factor 61356 and 61365 is 3.

Also check out the Least Common Multiple of 61356 and 61365