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What is the Greatest Common Factor of 61491 and 61508?

Greatest common factor (GCF) of 61491 and 61508 is 1.

GCF(61491,61508) = 1

We will now calculate the prime factors of 61491 and 61508, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61491 and 61508.

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How to find the GCF of 61491 and 61508?

We will first find the prime factorization of 61491 and 61508. After we will calculate the factors of 61491 and 61508 and find the biggest common factor number .

Step-1: Prime Factorization of 61491

Prime factors of 61491 are 3, 103, 199. Prime factorization of 61491 in exponential form is:

61491 = 31 × 1031 × 1991

Step-2: Prime Factorization of 61508

Prime factors of 61508 are 2, 15377. Prime factorization of 61508 in exponential form is:

61508 = 22 × 153771

Step-3: Factors of 61491

List of positive integer factors of 61491 that divides 61491 without a remainder.

1, 3, 103, 199, 309, 597, 20497

Step-4: Factors of 61508

List of positive integer factors of 61508 that divides 61491 without a remainder.

1, 2, 4, 15377, 30754

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61491 and 61508. The biggest common factor number is the GCF number.
So the greatest common factor 61491 and 61508 is 1.

Also check out the Least Common Multiple of 61491 and 61508