What is the Greatest Common Factor of 55485 and 55490?

Greatest common factor (GCF) of 55485 and 55490 is 5.

GCF(55485,55490) = 5

We will now calculate the prime factors of 55485 and 55490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55485 and 55490.

How to find the GCF of 55485 and 55490?

We will first find the prime factorization of 55485 and 55490. After we will calculate the factors of 55485 and 55490 and find the biggest common factor number .

Step-1: Prime Factorization of 55485

Prime factors of 55485 are 3, 5, 137. Prime factorization of 55485 in exponential form is:

55485 = 3⁴ × 5¹ × 137¹

Step-2: Prime Factorization of 55490

Prime factors of 55490 are 2, 5, 31, 179. Prime factorization of 55490 in exponential form is:

55490 = 2¹ × 5¹ × 31¹ × 179¹

Step-3: Factors of 55485

List of positive integer factors of 55485 that divides 55485 without a remainder.

1, 3, 5, 9, 15, 27, 45, 81, 135, 137, 405, 411, 685, 1233, 2055, 3699, 6165, 11097, 18495

Step-4: Factors of 55490

List of positive integer factors of 55490 that divides 55485 without a remainder.

1, 2, 5, 10, 31, 62, 155, 179, 310, 358, 895, 1790, 5549, 11098, 27745

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55485 and 55490. The biggest common factor number is the GCF number.
So the greatest common factor 55485 and 55490 is 5.

Also check out the Least Common Multiple of 55485 and 55490