What is the Greatest Common Factor of 42708 and 42717?

Greatest common factor (GCF) of 42708 and 42717 is 3.

GCF(42708,42717) = 3

We will now calculate the prime factors of 42708 and 42717, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42708 and 42717.

How to find the GCF of 42708 and 42717?

We will first find the prime factorization of 42708 and 42717. After we will calculate the factors of 42708 and 42717 and find the biggest common factor number .

Step-1: Prime Factorization of 42708

Prime factors of 42708 are 2, 3, 3559. Prime factorization of 42708 in exponential form is:

42708 = 2² × 3¹ × 3559¹

Step-2: Prime Factorization of 42717

Prime factors of 42717 are 3, 29, 491. Prime factorization of 42717 in exponential form is:

42717 = 3¹ × 29¹ × 491¹

Step-3: Factors of 42708

List of positive integer factors of 42708 that divides 42708 without a remainder.

1, 2, 3, 4, 6, 12, 3559, 7118, 10677, 14236, 21354

Step-4: Factors of 42717

List of positive integer factors of 42717 that divides 42708 without a remainder.

1, 3, 29, 87, 491, 1473, 14239

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42708 and 42717. The biggest common factor number is the GCF number.
So the greatest common factor 42708 and 42717 is 3.

Also check out the Least Common Multiple of 42708 and 42717