What is the Greatest Common Factor of 51555 and 51570?

Greatest common factor (GCF) of 51555 and 51570 is 15.

GCF(51555,51570) = 15

We will now calculate the prime factors of 51555 and 51570, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51555 and 51570.

How to find the GCF of 51555 and 51570?

We will first find the prime factorization of 51555 and 51570. After we will calculate the factors of 51555 and 51570 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 51570

Prime factors of 51570 are 2, 3, 5, 191. Prime factorization of 51570 in exponential form is:

51570 = 2¹ × 3³ × 5¹ × 191¹

Step-3: Factors of 51555

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

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

Step-4: Factors of 51570

List of positive integer factors of 51570 that divides 51555 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 191, 270, 382, 573, 955, 1146, 1719, 1910, 2865, 3438, 5157, 5730, 8595, 10314, 17190, 25785

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51555 and 51570. The biggest common factor number is the GCF number.
So the greatest common factor 51555 and 51570 is 15.

Also check out the Least Common Multiple of 51555 and 51570