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What is the Greatest Common Factor of 42797 and 42815?

Greatest common factor (GCF) of 42797 and 42815 is 1.

GCF(42797,42815) = 1

We will now calculate the prime factors of 42797 and 42815, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42797 and 42815.

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How to find the GCF of 42797 and 42815?

We will first find the prime factorization of 42797 and 42815. After we will calculate the factors of 42797 and 42815 and find the biggest common factor number .

Step-1: Prime Factorization of 42797

Prime factors of 42797 are 42797. Prime factorization of 42797 in exponential form is:

42797 = 427971

Step-2: Prime Factorization of 42815

Prime factors of 42815 are 5, 8563. Prime factorization of 42815 in exponential form is:

42815 = 51 × 85631

Step-3: Factors of 42797

List of positive integer factors of 42797 that divides 42797 without a remainder.

1

Step-4: Factors of 42815

List of positive integer factors of 42815 that divides 42797 without a remainder.

1, 5, 8563

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42797 and 42815. The biggest common factor number is the GCF number.
So the greatest common factor 42797 and 42815 is 1.

Also check out the Least Common Multiple of 42797 and 42815