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What is the Greatest Common Factor of 97987 and 97991?

Greatest common factor (GCF) of 97987 and 97991 is 1.

GCF(97987,97991) = 1

We will now calculate the prime factors of 97987 and 97991, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 97987 and 97991.

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How to find the GCF of 97987 and 97991?

We will first find the prime factorization of 97987 and 97991. After we will calculate the factors of 97987 and 97991 and find the biggest common factor number .

Step-1: Prime Factorization of 97987

Prime factors of 97987 are 97987. Prime factorization of 97987 in exponential form is:

97987 = 979871

Step-2: Prime Factorization of 97991

Prime factors of 97991 are 29, 31, 109. Prime factorization of 97991 in exponential form is:

97991 = 291 × 311 × 1091

Step-3: Factors of 97987

List of positive integer factors of 97987 that divides 97987 without a remainder.

1

Step-4: Factors of 97991

List of positive integer factors of 97991 that divides 97987 without a remainder.

1, 29, 31, 109, 899, 3161, 3379

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 97987 and 97991. The biggest common factor number is the GCF number.
So the greatest common factor 97987 and 97991 is 1.

Also check out the Least Common Multiple of 97987 and 97991