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What is the Greatest Common Factor of 78986 and 78997?

Greatest common factor (GCF) of 78986 and 78997 is 1.

GCF(78986,78997) = 1

We will now calculate the prime factors of 78986 and 78997, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78986 and 78997.

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How to find the GCF of 78986 and 78997?

We will first find the prime factorization of 78986 and 78997. After we will calculate the factors of 78986 and 78997 and find the biggest common factor number .

Step-1: Prime Factorization of 78986

Prime factors of 78986 are 2, 73, 541. Prime factorization of 78986 in exponential form is:

78986 = 21 × 731 × 5411

Step-2: Prime Factorization of 78997

Prime factors of 78997 are 197, 401. Prime factorization of 78997 in exponential form is:

78997 = 1971 × 4011

Step-3: Factors of 78986

List of positive integer factors of 78986 that divides 78986 without a remainder.

1, 2, 73, 146, 541, 1082, 39493

Step-4: Factors of 78997

List of positive integer factors of 78997 that divides 78986 without a remainder.

1, 197, 401

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78986 and 78997. The biggest common factor number is the GCF number.
So the greatest common factor 78986 and 78997 is 1.

Also check out the Least Common Multiple of 78986 and 78997