What is the Greatest Common Factor of 8945 and 8957?

Greatest common factor (GCF) of 8945 and 8957 is 1.

GCF(8945,8957) = 1

We will now calculate the prime factors of 8945 and 8957, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8945 and 8957.

How to find the GCF of 8945 and 8957?

We will first find the prime factorization of 8945 and 8957. After we will calculate the factors of 8945 and 8957 and find the biggest common factor number .

Step-1: Prime Factorization of 8945

Prime factors of 8945 are 5, 1789. Prime factorization of 8945 in exponential form is:

8945 = 5¹ × 1789¹

Step-2: Prime Factorization of 8957

Prime factors of 8957 are 13, 53. Prime factorization of 8957 in exponential form is:

8957 = 13² × 53¹

Step-3: Factors of 8945

List of positive integer factors of 8945 that divides 8945 without a remainder.

1, 5, 1789

Step-4: Factors of 8957

List of positive integer factors of 8957 that divides 8945 without a remainder.

1, 13, 53, 169, 689

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8945 and 8957. The biggest common factor number is the GCF number.
So the greatest common factor 8945 and 8957 is 1.

Also check out the Least Common Multiple of 8945 and 8957