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What is the Greatest Common Factor of 99631 and 99638?

Greatest common factor (GCF) of 99631 and 99638 is 7.

GCF(99631,99638) = 7

We will now calculate the prime factors of 99631 and 99638, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99631 and 99638.

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How to find the GCF of 99631 and 99638?

We will first find the prime factorization of 99631 and 99638. After we will calculate the factors of 99631 and 99638 and find the biggest common factor number .

Step-1: Prime Factorization of 99631

Prime factors of 99631 are 7, 43, 331. Prime factorization of 99631 in exponential form is:

99631 = 71 × 431 × 3311

Step-2: Prime Factorization of 99638

Prime factors of 99638 are 2, 7, 11, 647. Prime factorization of 99638 in exponential form is:

99638 = 21 × 71 × 111 × 6471

Step-3: Factors of 99631

List of positive integer factors of 99631 that divides 99631 without a remainder.

1, 7, 43, 301, 331, 2317, 14233

Step-4: Factors of 99638

List of positive integer factors of 99638 that divides 99631 without a remainder.

1, 2, 7, 11, 14, 22, 77, 154, 647, 1294, 4529, 7117, 9058, 14234, 49819

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99631 and 99638. The biggest common factor number is the GCF number.
So the greatest common factor 99631 and 99638 is 7.

Also check out the Least Common Multiple of 99631 and 99638