What is the Greatest Common Factor of 42278 and 42292?

Greatest common factor (GCF) of 42278 and 42292 is 2.

GCF(42278,42292) = 2

We will now calculate the prime factors of 42278 and 42292, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42278 and 42292.

How to find the GCF of 42278 and 42292?

We will first find the prime factorization of 42278 and 42292. After we will calculate the factors of 42278 and 42292 and find the biggest common factor number .

Step-1: Prime Factorization of 42278

Prime factors of 42278 are 2, 21139. Prime factorization of 42278 in exponential form is:

42278 = 2¹ × 21139¹

Step-2: Prime Factorization of 42292

Prime factors of 42292 are 2, 97, 109. Prime factorization of 42292 in exponential form is:

42292 = 2² × 97¹ × 109¹

Step-3: Factors of 42278

List of positive integer factors of 42278 that divides 42278 without a remainder.

1, 2, 21139

Step-4: Factors of 42292

List of positive integer factors of 42292 that divides 42278 without a remainder.

1, 2, 4, 97, 109, 194, 218, 388, 436, 10573, 21146

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42278 and 42292. The biggest common factor number is the GCF number.
So the greatest common factor 42278 and 42292 is 2.

Also check out the Least Common Multiple of 42278 and 42292