What is the Greatest Common Factor of 42370 and 42378?

Greatest common factor (GCF) of 42370 and 42378 is 2.

GCF(42370,42378) = 2

We will now calculate the prime factors of 42370 and 42378, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42370 and 42378.

How to find the GCF of 42370 and 42378?

We will first find the prime factorization of 42370 and 42378. After we will calculate the factors of 42370 and 42378 and find the biggest common factor number .

Step-1: Prime Factorization of 42370

Prime factors of 42370 are 2, 5, 19, 223. Prime factorization of 42370 in exponential form is:

42370 = 2¹ × 5¹ × 19¹ × 223¹

Step-2: Prime Factorization of 42378

Prime factors of 42378 are 2, 3, 7, 1009. Prime factorization of 42378 in exponential form is:

42378 = 2¹ × 3¹ × 7¹ × 1009¹

Step-3: Factors of 42370

List of positive integer factors of 42370 that divides 42370 without a remainder.

1, 2, 5, 10, 19, 38, 95, 190, 223, 446, 1115, 2230, 4237, 8474, 21185

Step-4: Factors of 42378

List of positive integer factors of 42378 that divides 42370 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 1009, 2018, 3027, 6054, 7063, 14126, 21189

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42370 and 42378. The biggest common factor number is the GCF number.
So the greatest common factor 42370 and 42378 is 2.

Also check out the Least Common Multiple of 42370 and 42378