What is the Greatest Common Factor of 42406 and 42418?

Greatest common factor (GCF) of 42406 and 42418 is 2.

GCF(42406,42418) = 2

We will now calculate the prime factors of 42406 and 42418, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42406 and 42418.

How to find the GCF of 42406 and 42418?

We will first find the prime factorization of 42406 and 42418. After we will calculate the factors of 42406 and 42418 and find the biggest common factor number .

Step-1: Prime Factorization of 42406

Prime factors of 42406 are 2, 7, 13, 233. Prime factorization of 42406 in exponential form is:

42406 = 2¹ × 7¹ × 13¹ × 233¹

Step-2: Prime Factorization of 42418

Prime factors of 42418 are 2, 127, 167. Prime factorization of 42418 in exponential form is:

42418 = 2¹ × 127¹ × 167¹

Step-3: Factors of 42406

List of positive integer factors of 42406 that divides 42406 without a remainder.

1, 2, 7, 13, 14, 26, 91, 182, 233, 466, 1631, 3029, 3262, 6058, 21203

Step-4: Factors of 42418

List of positive integer factors of 42418 that divides 42406 without a remainder.

1, 2, 127, 167, 254, 334, 21209

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42406 and 42418. The biggest common factor number is the GCF number.
So the greatest common factor 42406 and 42418 is 2.

Also check out the Least Common Multiple of 42406 and 42418