What is the Greatest Common Factor of 42221 and 42238?

Greatest common factor (GCF) of 42221 and 42238 is 1.

GCF(42221,42238) = 1

We will now calculate the prime factors of 42221 and 42238, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42221 and 42238.

How to find the GCF of 42221 and 42238?

We will first find the prime factorization of 42221 and 42238. After we will calculate the factors of 42221 and 42238 and find the biggest common factor number .

Step-1: Prime Factorization of 42221

Prime factors of 42221 are 42221. Prime factorization of 42221 in exponential form is:

42221 = 42221¹

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 42221

List of positive integer factors of 42221 that divides 42221 without a remainder.

Step-4: Factors of 42238

List of positive integer factors of 42238 that divides 42221 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 42221 and 42238. The biggest common factor number is the GCF number.
So the greatest common factor 42221 and 42238 is 1.

Also check out the Least Common Multiple of 42221 and 42238