What is the Greatest Common Factor of 1057 and 1075?

Greatest common factor (GCF) of 1057 and 1075 is 1.

GCF(1057,1075) = 1

We will now calculate the prime factors of 1057 and 1075, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1057 and 1075.

How to find the GCF of 1057 and 1075?

We will first find the prime factorization of 1057 and 1075. After we will calculate the factors of 1057 and 1075 and find the biggest common factor number .

Step-1: Prime Factorization of 1057

Prime factors of 1057 are 7, 151. Prime factorization of 1057 in exponential form is:

1057 = 7¹ × 151¹

Step-2: Prime Factorization of 1075

Prime factors of 1075 are 5, 43. Prime factorization of 1075 in exponential form is:

1075 = 5² × 43¹

Step-3: Factors of 1057

List of positive integer factors of 1057 that divides 1057 without a remainder.

1, 7, 151

Step-4: Factors of 1075

List of positive integer factors of 1075 that divides 1057 without a remainder.

1, 5, 25, 43, 215

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1057 and 1075. The biggest common factor number is the GCF number.
So the greatest common factor 1057 and 1075 is 1.

Also check out the Least Common Multiple of 1057 and 1075