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What is the Greatest Common Factor of 79538 and 79542?

Greatest common factor (GCF) of 79538 and 79542 is 2.

GCF(79538,79542) = 2

We will now calculate the prime factors of 79538 and 79542, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79538 and 79542.

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How to find the GCF of 79538 and 79542?

We will first find the prime factorization of 79538 and 79542. After we will calculate the factors of 79538 and 79542 and find the biggest common factor number .

Step-1: Prime Factorization of 79538

Prime factors of 79538 are 2, 39769. Prime factorization of 79538 in exponential form is:

79538 = 21 × 397691

Step-2: Prime Factorization of 79542

Prime factors of 79542 are 2, 3, 491. Prime factorization of 79542 in exponential form is:

79542 = 21 × 34 × 4911

Step-3: Factors of 79538

List of positive integer factors of 79538 that divides 79538 without a remainder.

1, 2, 39769

Step-4: Factors of 79542

List of positive integer factors of 79542 that divides 79538 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 491, 982, 1473, 2946, 4419, 8838, 13257, 26514, 39771

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79538 and 79542. The biggest common factor number is the GCF number.
So the greatest common factor 79538 and 79542 is 2.

Also check out the Least Common Multiple of 79538 and 79542