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What is the Greatest Common Factor of 38311 and 38318?

Greatest common factor (GCF) of 38311 and 38318 is 7.

GCF(38311,38318) = 7

We will now calculate the prime factors of 38311 and 38318, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38311 and 38318.

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How to find the GCF of 38311 and 38318?

We will first find the prime factorization of 38311 and 38318. After we will calculate the factors of 38311 and 38318 and find the biggest common factor number .

Step-1: Prime Factorization of 38311

Prime factors of 38311 are 7, 13, 421. Prime factorization of 38311 in exponential form is:

38311 = 71 × 131 × 4211

Step-2: Prime Factorization of 38318

Prime factors of 38318 are 2, 7, 17, 23. Prime factorization of 38318 in exponential form is:

38318 = 21 × 72 × 171 × 231

Step-3: Factors of 38311

List of positive integer factors of 38311 that divides 38311 without a remainder.

1, 7, 13, 91, 421, 2947, 5473

Step-4: Factors of 38318

List of positive integer factors of 38318 that divides 38311 without a remainder.

1, 2, 7, 14, 17, 23, 34, 46, 49, 98, 119, 161, 238, 322, 391, 782, 833, 1127, 1666, 2254, 2737, 5474, 19159

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38311 and 38318. The biggest common factor number is the GCF number.
So the greatest common factor 38311 and 38318 is 7.

Also check out the Least Common Multiple of 38311 and 38318