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What is the Greatest Common Factor of 80978 and 80987?

Greatest common factor (GCF) of 80978 and 80987 is 1.

GCF(80978,80987) = 1

We will now calculate the prime factors of 80978 and 80987, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80978 and 80987.

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How to find the GCF of 80978 and 80987?

We will first find the prime factorization of 80978 and 80987. After we will calculate the factors of 80978 and 80987 and find the biggest common factor number .

Step-1: Prime Factorization of 80978

Prime factors of 80978 are 2, 19, 2131. Prime factorization of 80978 in exponential form is:

80978 = 21 × 191 × 21311

Step-2: Prime Factorization of 80987

Prime factors of 80987 are 109, 743. Prime factorization of 80987 in exponential form is:

80987 = 1091 × 7431

Step-3: Factors of 80978

List of positive integer factors of 80978 that divides 80978 without a remainder.

1, 2, 19, 38, 2131, 4262, 40489

Step-4: Factors of 80987

List of positive integer factors of 80987 that divides 80978 without a remainder.

1, 109, 743

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80978 and 80987. The biggest common factor number is the GCF number.
So the greatest common factor 80978 and 80987 is 1.

Also check out the Least Common Multiple of 80978 and 80987