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What is the Greatest Common Factor of 99421 and 99438?

Greatest common factor (GCF) of 99421 and 99438 is 1.

GCF(99421,99438) = 1

We will now calculate the prime factors of 99421 and 99438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99421 and 99438.

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How to find the GCF of 99421 and 99438?

We will first find the prime factorization of 99421 and 99438. After we will calculate the factors of 99421 and 99438 and find the biggest common factor number .

Step-1: Prime Factorization of 99421

Prime factors of 99421 are 7, 2029. Prime factorization of 99421 in exponential form is:

99421 = 72 × 20291

Step-2: Prime Factorization of 99438

Prime factors of 99438 are 2, 3, 16573. Prime factorization of 99438 in exponential form is:

99438 = 21 × 31 × 165731

Step-3: Factors of 99421

List of positive integer factors of 99421 that divides 99421 without a remainder.

1, 7, 49, 2029, 14203

Step-4: Factors of 99438

List of positive integer factors of 99438 that divides 99421 without a remainder.

1, 2, 3, 6, 16573, 33146, 49719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99421 and 99438. The biggest common factor number is the GCF number.
So the greatest common factor 99421 and 99438 is 1.

Also check out the Least Common Multiple of 99421 and 99438