What is the Greatest Common Factor of 55990 and 56004?

Greatest common factor (GCF) of 55990 and 56004 is 2.

GCF(55990,56004) = 2

We will now calculate the prime factors of 55990 and 56004, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55990 and 56004.

How to find the GCF of 55990 and 56004?

We will first find the prime factorization of 55990 and 56004. After we will calculate the factors of 55990 and 56004 and find the biggest common factor number .

Step-1: Prime Factorization of 55990

Prime factors of 55990 are 2, 5, 11, 509. Prime factorization of 55990 in exponential form is:

55990 = 2¹ × 5¹ × 11¹ × 509¹

Step-2: Prime Factorization of 56004

Prime factors of 56004 are 2, 3, 13, 359. Prime factorization of 56004 in exponential form is:

56004 = 2² × 3¹ × 13¹ × 359¹

Step-3: Factors of 55990

List of positive integer factors of 55990 that divides 55990 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 509, 1018, 2545, 5090, 5599, 11198, 27995

Step-4: Factors of 56004

List of positive integer factors of 56004 that divides 55990 without a remainder.

1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 359, 718, 1077, 1436, 2154, 4308, 4667, 9334, 14001, 18668, 28002

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55990 and 56004. The biggest common factor number is the GCF number.
So the greatest common factor 55990 and 56004 is 2.

Also check out the Least Common Multiple of 55990 and 56004