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What is the Greatest Common Factor of 2971 and 2985?

Greatest common factor (GCF) of 2971 and 2985 is 1.

GCF(2971,2985) = 1

We will now calculate the prime factors of 2971 and 2985, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2971 and 2985.

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How to find the GCF of 2971 and 2985?

We will first find the prime factorization of 2971 and 2985. After we will calculate the factors of 2971 and 2985 and find the biggest common factor number .

Step-1: Prime Factorization of 2971

Prime factors of 2971 are 2971. Prime factorization of 2971 in exponential form is:

2971 = 29711

Step-2: Prime Factorization of 2985

Prime factors of 2985 are 3, 5, 199. Prime factorization of 2985 in exponential form is:

2985 = 31 × 51 × 1991

Step-3: Factors of 2971

List of positive integer factors of 2971 that divides 2971 without a remainder.

1

Step-4: Factors of 2985

List of positive integer factors of 2985 that divides 2971 without a remainder.

1, 3, 5, 15, 199, 597, 995

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2971 and 2985. The biggest common factor number is the GCF number.
So the greatest common factor 2971 and 2985 is 1.

Also check out the Least Common Multiple of 2971 and 2985