What is the Greatest Common Factor of 846 and 857?

Greatest common factor (GCF) of 846 and 857 is 1.

GCF(846,857) = 1

We will now calculate the prime factors of 846 and 857, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 846 and 857.

How to find the GCF of 846 and 857?

We will first find the prime factorization of 846 and 857. After we will calculate the factors of 846 and 857 and find the biggest common factor number .

Step-1: Prime Factorization of 846

Prime factors of 846 are 2, 3, 47. Prime factorization of 846 in exponential form is:

846 = 2¹ × 3² × 47¹

Step-2: Prime Factorization of 857

Prime factors of 857 are 857. Prime factorization of 857 in exponential form is:

857 = 857¹

Step-3: Factors of 846

List of positive integer factors of 846 that divides 846 without a remainder.

1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423

Step-4: Factors of 857

List of positive integer factors of 857 that divides 846 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 846 and 857. The biggest common factor number is the GCF number.
So the greatest common factor 846 and 857 is 1.

Also check out the Least Common Multiple of 846 and 857