What is the Greatest Common Factor of 55490 and 55509?

Greatest common factor (GCF) of 55490 and 55509 is 1.

GCF(55490,55509) = 1

We will now calculate the prime factors of 55490 and 55509, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55490 and 55509.

How to find the GCF of 55490 and 55509?

We will first find the prime factorization of 55490 and 55509. After we will calculate the factors of 55490 and 55509 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 55509

Prime factors of 55509 are 3, 18503. Prime factorization of 55509 in exponential form is:

55509 = 3¹ × 18503¹

Step-3: Factors of 55490

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

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

Step-4: Factors of 55509

List of positive integer factors of 55509 that divides 55490 without a remainder.

1, 3, 18503

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55490 and 55509. The biggest common factor number is the GCF number.
So the greatest common factor 55490 and 55509 is 1.

Also check out the Least Common Multiple of 55490 and 55509