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What is the Greatest Common Factor of 17971 and 17985?

Greatest common factor (GCF) of 17971 and 17985 is 1.

GCF(17971,17985) = 1

We will now calculate the prime factors of 17971 and 17985, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17971 and 17985.

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How to find the GCF of 17971 and 17985?

We will first find the prime factorization of 17971 and 17985. After we will calculate the factors of 17971 and 17985 and find the biggest common factor number .

Step-1: Prime Factorization of 17971

Prime factors of 17971 are 17971. Prime factorization of 17971 in exponential form is:

17971 = 179711

Step-2: Prime Factorization of 17985

Prime factors of 17985 are 3, 5, 11, 109. Prime factorization of 17985 in exponential form is:

17985 = 31 × 51 × 111 × 1091

Step-3: Factors of 17971

List of positive integer factors of 17971 that divides 17971 without a remainder.

1

Step-4: Factors of 17985

List of positive integer factors of 17985 that divides 17971 without a remainder.

1, 3, 5, 11, 15, 33, 55, 109, 165, 327, 545, 1199, 1635, 3597, 5995

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17971 and 17985. The biggest common factor number is the GCF number.
So the greatest common factor 17971 and 17985 is 1.

Also check out the Least Common Multiple of 17971 and 17985