What is the Greatest Common Factor of 42222 and 42238?

Greatest common factor (GCF) of 42222 and 42238 is 2.

GCF(42222,42238) = 2

We will now calculate the prime factors of 42222 and 42238, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42222 and 42238.

How to find the GCF of 42222 and 42238?

We will first find the prime factorization of 42222 and 42238. After we will calculate the factors of 42222 and 42238 and find the biggest common factor number .

Step-1: Prime Factorization of 42222

Prime factors of 42222 are 2, 3, 31, 227. Prime factorization of 42222 in exponential form is:

42222 = 2¹ × 3¹ × 31¹ × 227¹

Step-2: Prime Factorization of 42238

Prime factors of 42238 are 2, 7, 431. Prime factorization of 42238 in exponential form is:

42238 = 2¹ × 7² × 431¹

Step-3: Factors of 42222

List of positive integer factors of 42222 that divides 42222 without a remainder.

1, 2, 3, 6, 31, 62, 93, 186, 227, 454, 681, 1362, 7037, 14074, 21111

Step-4: Factors of 42238

List of positive integer factors of 42238 that divides 42222 without a remainder.

1, 2, 7, 14, 49, 98, 431, 862, 3017, 6034, 21119

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42222 and 42238. The biggest common factor number is the GCF number.
So the greatest common factor 42222 and 42238 is 2.

Also check out the Least Common Multiple of 42222 and 42238