What is the Greatest Common Factor of 57145 and 57155?

Greatest common factor (GCF) of 57145 and 57155 is 5.

GCF(57145,57155) = 5

We will now calculate the prime factors of 57145 and 57155, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57145 and 57155.

How to find the GCF of 57145 and 57155?

We will first find the prime factorization of 57145 and 57155. After we will calculate the factors of 57145 and 57155 and find the biggest common factor number .

Step-1: Prime Factorization of 57145

Prime factors of 57145 are 5, 11, 1039. Prime factorization of 57145 in exponential form is:

57145 = 5¹ × 11¹ × 1039¹

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 57145

List of positive integer factors of 57145 that divides 57145 without a remainder.

1, 5, 11, 55, 1039, 5195, 11429

Step-4: Factors of 57155

List of positive integer factors of 57155 that divides 57145 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 57145 and 57155. The biggest common factor number is the GCF number.
So the greatest common factor 57145 and 57155 is 5.

Also check out the Least Common Multiple of 57145 and 57155