What is the Greatest Common Factor of 55143 and 55151?

Greatest common factor (GCF) of 55143 and 55151 is 1.

GCF(55143,55151) = 1

We will now calculate the prime factors of 55143 and 55151, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55143 and 55151.

How to find the GCF of 55143 and 55151?

We will first find the prime factorization of 55143 and 55151. After we will calculate the factors of 55143 and 55151 and find the biggest common factor number .

Step-1: Prime Factorization of 55143

Prime factors of 55143 are 3, 11, 557. Prime factorization of 55143 in exponential form is:

55143 = 3² × 11¹ × 557¹

Step-2: Prime Factorization of 55151

Prime factors of 55151 are 131, 421. Prime factorization of 55151 in exponential form is:

55151 = 131¹ × 421¹

Step-3: Factors of 55143

List of positive integer factors of 55143 that divides 55143 without a remainder.

1, 3, 9, 11, 33, 99, 557, 1671, 5013, 6127, 18381

Step-4: Factors of 55151

List of positive integer factors of 55151 that divides 55143 without a remainder.

1, 131, 421

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55143 and 55151. The biggest common factor number is the GCF number.
So the greatest common factor 55143 and 55151 is 1.

Also check out the Least Common Multiple of 55143 and 55151