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What is the Greatest Common Factor of 28291 and 28310?

Greatest common factor (GCF) of 28291 and 28310 is 19.

GCF(28291,28310) = 19

We will now calculate the prime factors of 28291 and 28310, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28291 and 28310.

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How to find the GCF of 28291 and 28310?

We will first find the prime factorization of 28291 and 28310. After we will calculate the factors of 28291 and 28310 and find the biggest common factor number .

Step-1: Prime Factorization of 28291

Prime factors of 28291 are 19, 1489. Prime factorization of 28291 in exponential form is:

28291 = 191 × 14891

Step-2: Prime Factorization of 28310

Prime factors of 28310 are 2, 5, 19, 149. Prime factorization of 28310 in exponential form is:

28310 = 21 × 51 × 191 × 1491

Step-3: Factors of 28291

List of positive integer factors of 28291 that divides 28291 without a remainder.

1, 19, 1489

Step-4: Factors of 28310

List of positive integer factors of 28310 that divides 28291 without a remainder.

1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 745, 1490, 2831, 5662, 14155

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28291 and 28310. The biggest common factor number is the GCF number.
So the greatest common factor 28291 and 28310 is 19.

Also check out the Least Common Multiple of 28291 and 28310