What is the Greatest Common Factor of 55142 and 55156?

Greatest common factor (GCF) of 55142 and 55156 is 2.

GCF(55142,55156) = 2

We will now calculate the prime factors of 55142 and 55156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55142 and 55156.

How to find the GCF of 55142 and 55156?

We will first find the prime factorization of 55142 and 55156. After we will calculate the factors of 55142 and 55156 and find the biggest common factor number .

Step-1: Prime Factorization of 55142

Prime factors of 55142 are 2, 79, 349. Prime factorization of 55142 in exponential form is:

55142 = 2¹ × 79¹ × 349¹

Step-2: Prime Factorization of 55156

Prime factors of 55156 are 2, 13789. Prime factorization of 55156 in exponential form is:

55156 = 2² × 13789¹

Step-3: Factors of 55142

List of positive integer factors of 55142 that divides 55142 without a remainder.

1, 2, 79, 158, 349, 698, 27571

Step-4: Factors of 55156

List of positive integer factors of 55156 that divides 55142 without a remainder.

1, 2, 4, 13789, 27578

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55142 and 55156. The biggest common factor number is the GCF number.
So the greatest common factor 55142 and 55156 is 2.

Also check out the Least Common Multiple of 55142 and 55156