What is the Greatest Common Factor of 55140 and 55159?

Greatest common factor (GCF) of 55140 and 55159 is 1.

GCF(55140,55159) = 1

We will now calculate the prime factors of 55140 and 55159, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55140 and 55159.

How to find the GCF of 55140 and 55159?

We will first find the prime factorization of 55140 and 55159. After we will calculate the factors of 55140 and 55159 and find the biggest common factor number .

Step-1: Prime Factorization of 55140

Prime factors of 55140 are 2, 3, 5, 919. Prime factorization of 55140 in exponential form is:

55140 = 2² × 3¹ × 5¹ × 919¹

Step-2: Prime Factorization of 55159

Prime factors of 55159 are 13, 4243. Prime factorization of 55159 in exponential form is:

55159 = 13¹ × 4243¹

Step-3: Factors of 55140

List of positive integer factors of 55140 that divides 55140 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 919, 1838, 2757, 3676, 4595, 5514, 9190, 11028, 13785, 18380, 27570

Step-4: Factors of 55159

List of positive integer factors of 55159 that divides 55140 without a remainder.

1, 13, 4243

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55140 and 55159. The biggest common factor number is the GCF number.
So the greatest common factor 55140 and 55159 is 1.

Also check out the Least Common Multiple of 55140 and 55159