What is the Greatest Common Factor of 55115 and 55120?

Greatest common factor (GCF) of 55115 and 55120 is 5.

GCF(55115,55120) = 5

We will now calculate the prime factors of 55115 and 55120, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55115 and 55120.

How to find the GCF of 55115 and 55120?

We will first find the prime factorization of 55115 and 55120. After we will calculate the factors of 55115 and 55120 and find the biggest common factor number .

Step-1: Prime Factorization of 55115

Prime factors of 55115 are 5, 73, 151. Prime factorization of 55115 in exponential form is:

55115 = 5¹ × 73¹ × 151¹

Step-2: Prime Factorization of 55120

Prime factors of 55120 are 2, 5, 13, 53. Prime factorization of 55120 in exponential form is:

55120 = 2⁴ × 5¹ × 13¹ × 53¹

Step-3: Factors of 55115

List of positive integer factors of 55115 that divides 55115 without a remainder.

1, 5, 73, 151, 365, 755, 11023

Step-4: Factors of 55120

List of positive integer factors of 55120 that divides 55115 without a remainder.

1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1378, 2120, 2756, 3445, 4240, 5512, 6890, 11024, 13780, 27560

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55115 and 55120. The biggest common factor number is the GCF number.
So the greatest common factor 55115 and 55120 is 5.

Also check out the Least Common Multiple of 55115 and 55120