What is the Greatest Common Factor of 61131 and 61140?

Greatest common factor (GCF) of 61131 and 61140 is 3.

GCF(61131,61140) = 3

We will now calculate the prime factors of 61131 and 61140, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61131 and 61140.

How to find the GCF of 61131 and 61140?

We will first find the prime factorization of 61131 and 61140. After we will calculate the factors of 61131 and 61140 and find the biggest common factor number .

Step-1: Prime Factorization of 61131

Prime factors of 61131 are 3, 7, 41, 71. Prime factorization of 61131 in exponential form is:

61131 = 3¹ × 7¹ × 41¹ × 71¹

Step-2: Prime Factorization of 61140

Prime factors of 61140 are 2, 3, 5, 1019. Prime factorization of 61140 in exponential form is:

61140 = 2² × 3¹ × 5¹ × 1019¹

Step-3: Factors of 61131

List of positive integer factors of 61131 that divides 61131 without a remainder.

1, 3, 7, 21, 41, 71, 123, 213, 287, 497, 861, 1491, 2911, 8733, 20377

Step-4: Factors of 61140

List of positive integer factors of 61140 that divides 61131 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1019, 2038, 3057, 4076, 5095, 6114, 10190, 12228, 15285, 20380, 30570

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61131 and 61140. The biggest common factor number is the GCF number.
So the greatest common factor 61131 and 61140 is 3.

Also check out the Least Common Multiple of 61131 and 61140