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What is the Greatest Common Factor of 51415 and 51428?

Greatest common factor (GCF) of 51415 and 51428 is 13.

GCF(51415,51428) = 13

We will now calculate the prime factors of 51415 and 51428, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51415 and 51428.

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How to find the GCF of 51415 and 51428?

We will first find the prime factorization of 51415 and 51428. After we will calculate the factors of 51415 and 51428 and find the biggest common factor number .

Step-1: Prime Factorization of 51415

Prime factors of 51415 are 5, 7, 13, 113. Prime factorization of 51415 in exponential form is:

51415 = 51 × 71 × 131 × 1131

Step-2: Prime Factorization of 51428

Prime factors of 51428 are 2, 13, 23, 43. Prime factorization of 51428 in exponential form is:

51428 = 22 × 131 × 231 × 431

Step-3: Factors of 51415

List of positive integer factors of 51415 that divides 51415 without a remainder.

1, 5, 7, 13, 35, 65, 91, 113, 455, 565, 791, 1469, 3955, 7345, 10283

Step-4: Factors of 51428

List of positive integer factors of 51428 that divides 51415 without a remainder.

1, 2, 4, 13, 23, 26, 43, 46, 52, 86, 92, 172, 299, 559, 598, 989, 1118, 1196, 1978, 2236, 3956, 12857, 25714

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51415 and 51428. The biggest common factor number is the GCF number.
So the greatest common factor 51415 and 51428 is 13.

Also check out the Least Common Multiple of 51415 and 51428