What is the Greatest Common Factor of 57142 and 57155?

Greatest common factor (GCF) of 57142 and 57155 is 1.

GCF(57142,57155) = 1

We will now calculate the prime factors of 57142 and 57155, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57142 and 57155.

How to find the GCF of 57142 and 57155?

We will first find the prime factorization of 57142 and 57155. After we will calculate the factors of 57142 and 57155 and find the biggest common factor number .

Step-1: Prime Factorization of 57142

Prime factors of 57142 are 2, 28571. Prime factorization of 57142 in exponential form is:

57142 = 2¹ × 28571¹

Step-2: Prime Factorization of 57155

Prime factors of 57155 are 5, 7, 23, 71. Prime factorization of 57155 in exponential form is:

57155 = 5¹ × 7¹ × 23¹ × 71¹

Step-3: Factors of 57142

List of positive integer factors of 57142 that divides 57142 without a remainder.

1, 2, 28571

Step-4: Factors of 57155

List of positive integer factors of 57155 that divides 57142 without a remainder.

1, 5, 7, 23, 35, 71, 115, 161, 355, 497, 805, 1633, 2485, 8165, 11431

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57142 and 57155. The biggest common factor number is the GCF number.
So the greatest common factor 57142 and 57155 is 1.

Also check out the Least Common Multiple of 57142 and 57155