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What is the Greatest Common Factor of 12975 and 12986?

Greatest common factor (GCF) of 12975 and 12986 is 1.

GCF(12975,12986) = 1

We will now calculate the prime factors of 12975 and 12986, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12975 and 12986.

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How to find the GCF of 12975 and 12986?

We will first find the prime factorization of 12975 and 12986. After we will calculate the factors of 12975 and 12986 and find the biggest common factor number .

Step-1: Prime Factorization of 12975

Prime factors of 12975 are 3, 5, 173. Prime factorization of 12975 in exponential form is:

12975 = 31 × 52 × 1731

Step-2: Prime Factorization of 12986

Prime factors of 12986 are 2, 43, 151. Prime factorization of 12986 in exponential form is:

12986 = 21 × 431 × 1511

Step-3: Factors of 12975

List of positive integer factors of 12975 that divides 12975 without a remainder.

1, 3, 5, 15, 25, 75, 173, 519, 865, 2595, 4325

Step-4: Factors of 12986

List of positive integer factors of 12986 that divides 12975 without a remainder.

1, 2, 43, 86, 151, 302, 6493

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12975 and 12986. The biggest common factor number is the GCF number.
So the greatest common factor 12975 and 12986 is 1.

Also check out the Least Common Multiple of 12975 and 12986