What is the Greatest Common Factor of 42090 and 42110?

Greatest common factor (GCF) of 42090 and 42110 is 10.

GCF(42090,42110) = 10

We will now calculate the prime factors of 42090 and 42110, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42090 and 42110.

How to find the GCF of 42090 and 42110?

We will first find the prime factorization of 42090 and 42110. After we will calculate the factors of 42090 and 42110 and find the biggest common factor number .

Step-1: Prime Factorization of 42090

Prime factors of 42090 are 2, 3, 5, 23, 61. Prime factorization of 42090 in exponential form is:

42090 = 2¹ × 3¹ × 5¹ × 23¹ × 61¹

Step-2: Prime Factorization of 42110

Prime factors of 42110 are 2, 5, 4211. Prime factorization of 42110 in exponential form is:

42110 = 2¹ × 5¹ × 4211¹

Step-3: Factors of 42090

List of positive integer factors of 42090 that divides 42090 without a remainder.

1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 61, 69, 115, 122, 138, 183, 230, 305, 345, 366, 610, 690, 915, 1403, 1830, 2806, 4209, 7015, 8418, 14030, 21045

Step-4: Factors of 42110

List of positive integer factors of 42110 that divides 42090 without a remainder.

1, 2, 5, 10, 4211, 8422, 21055

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42090 and 42110. The biggest common factor number is the GCF number.
So the greatest common factor 42090 and 42110 is 10.

Also check out the Least Common Multiple of 42090 and 42110