What is the Greatest Common Factor of 54855 and 54870?

Greatest common factor (GCF) of 54855 and 54870 is 15.

GCF(54855,54870) = 15

We will now calculate the prime factors of 54855 and 54870, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 54855 and 54870.

How to find the GCF of 54855 and 54870?

We will first find the prime factorization of 54855 and 54870. After we will calculate the factors of 54855 and 54870 and find the biggest common factor number .

Step-1: Prime Factorization of 54855

Prime factors of 54855 are 3, 5, 23, 53. Prime factorization of 54855 in exponential form is:

54855 = 3² × 5¹ × 23¹ × 53¹

Step-2: Prime Factorization of 54870

Prime factors of 54870 are 2, 3, 5, 31, 59. Prime factorization of 54870 in exponential form is:

54870 = 2¹ × 3¹ × 5¹ × 31¹ × 59¹

Step-3: Factors of 54855

List of positive integer factors of 54855 that divides 54855 without a remainder.

1, 3, 5, 9, 15, 23, 45, 53, 69, 115, 159, 207, 265, 345, 477, 795, 1035, 1219, 2385, 3657, 6095, 10971, 18285

Step-4: Factors of 54870

List of positive integer factors of 54870 that divides 54855 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 31, 59, 62, 93, 118, 155, 177, 186, 295, 310, 354, 465, 590, 885, 930, 1770, 1829, 3658, 5487, 9145, 10974, 18290, 27435

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 54855 and 54870. The biggest common factor number is the GCF number.
So the greatest common factor 54855 and 54870 is 15.

Also check out the Least Common Multiple of 54855 and 54870