What is the Greatest Common Factor of 42218 and 42236?

Greatest common factor (GCF) of 42218 and 42236 is 2.

GCF(42218,42236) = 2

We will now calculate the prime factors of 42218 and 42236, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42218 and 42236.

How to find the GCF of 42218 and 42236?

We will first find the prime factorization of 42218 and 42236. After we will calculate the factors of 42218 and 42236 and find the biggest common factor number .

Step-1: Prime Factorization of 42218

Prime factors of 42218 are 2, 11, 19, 101. Prime factorization of 42218 in exponential form is:

42218 = 2¹ × 11¹ × 19¹ × 101¹

Step-2: Prime Factorization of 42236

Prime factors of 42236 are 2, 10559. Prime factorization of 42236 in exponential form is:

42236 = 2² × 10559¹

Step-3: Factors of 42218

List of positive integer factors of 42218 that divides 42218 without a remainder.

1, 2, 11, 19, 22, 38, 101, 202, 209, 418, 1111, 1919, 2222, 3838, 21109

Step-4: Factors of 42236

List of positive integer factors of 42236 that divides 42218 without a remainder.

1, 2, 4, 10559, 21118

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42218 and 42236. The biggest common factor number is the GCF number.
So the greatest common factor 42218 and 42236 is 2.

Also check out the Least Common Multiple of 42218 and 42236