What is the Greatest Common Factor of 42290 and 42295?

Greatest common factor (GCF) of 42290 and 42295 is 5.

GCF(42290,42295) = 5

We will now calculate the prime factors of 42290 and 42295, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42290 and 42295.

How to find the GCF of 42290 and 42295?

We will first find the prime factorization of 42290 and 42295. After we will calculate the factors of 42290 and 42295 and find the biggest common factor number .

Step-1: Prime Factorization of 42290

Prime factors of 42290 are 2, 5, 4229. Prime factorization of 42290 in exponential form is:

42290 = 2¹ × 5¹ × 4229¹

Step-2: Prime Factorization of 42295

Prime factors of 42295 are 5, 11, 769. Prime factorization of 42295 in exponential form is:

42295 = 5¹ × 11¹ × 769¹

Step-3: Factors of 42290

List of positive integer factors of 42290 that divides 42290 without a remainder.

1, 2, 5, 10, 4229, 8458, 21145

Step-4: Factors of 42295

List of positive integer factors of 42295 that divides 42290 without a remainder.

1, 5, 11, 55, 769, 3845, 8459

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42290 and 42295. The biggest common factor number is the GCF number.
So the greatest common factor 42290 and 42295 is 5.

Also check out the Least Common Multiple of 42290 and 42295