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What is the Greatest Common Factor of 78722 and 78738?

Greatest common factor (GCF) of 78722 and 78738 is 2.

GCF(78722,78738) = 2

We will now calculate the prime factors of 78722 and 78738, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78722 and 78738.

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How to find the GCF of 78722 and 78738?

We will first find the prime factorization of 78722 and 78738. After we will calculate the factors of 78722 and 78738 and find the biggest common factor number .

Step-1: Prime Factorization of 78722

Prime factors of 78722 are 2, 7, 5623. Prime factorization of 78722 in exponential form is:

78722 = 21 × 71 × 56231

Step-2: Prime Factorization of 78738

Prime factors of 78738 are 2, 3, 11, 1193. Prime factorization of 78738 in exponential form is:

78738 = 21 × 31 × 111 × 11931

Step-3: Factors of 78722

List of positive integer factors of 78722 that divides 78722 without a remainder.

1, 2, 7, 14, 5623, 11246, 39361

Step-4: Factors of 78738

List of positive integer factors of 78738 that divides 78722 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 1193, 2386, 3579, 7158, 13123, 26246, 39369

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78722 and 78738. The biggest common factor number is the GCF number.
So the greatest common factor 78722 and 78738 is 2.

Also check out the Least Common Multiple of 78722 and 78738