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What is the Greatest Common Factor of 99430 and 99438?

Greatest common factor (GCF) of 99430 and 99438 is 2.

GCF(99430,99438) = 2

We will now calculate the prime factors of 99430 and 99438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99430 and 99438.

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How to find the GCF of 99430 and 99438?

We will first find the prime factorization of 99430 and 99438. After we will calculate the factors of 99430 and 99438 and find the biggest common factor number .

Step-1: Prime Factorization of 99430

Prime factors of 99430 are 2, 5, 61, 163. Prime factorization of 99430 in exponential form is:

99430 = 21 × 51 × 611 × 1631

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 99430

List of positive integer factors of 99430 that divides 99430 without a remainder.

1, 2, 5, 10, 61, 122, 163, 305, 326, 610, 815, 1630, 9943, 19886, 49715

Step-4: Factors of 99438

List of positive integer factors of 99438 that divides 99430 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99430 and 99438. The biggest common factor number is the GCF number.
So the greatest common factor 99430 and 99438 is 2.

Also check out the Least Common Multiple of 99430 and 99438