What is the Greatest Common Factor of 40190 and 40205?

Greatest common factor (GCF) of 40190 and 40205 is 5.

GCF(40190,40205) = 5

We will now calculate the prime factors of 40190 and 40205, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40190 and 40205.

How to find the GCF of 40190 and 40205?

We will first find the prime factorization of 40190 and 40205. After we will calculate the factors of 40190 and 40205 and find the biggest common factor number .

Step-1: Prime Factorization of 40190

Prime factors of 40190 are 2, 5, 4019. Prime factorization of 40190 in exponential form is:

40190 = 2¹ × 5¹ × 4019¹

Step-2: Prime Factorization of 40205

Prime factors of 40205 are 5, 11, 17, 43. Prime factorization of 40205 in exponential form is:

40205 = 5¹ × 11¹ × 17¹ × 43¹

Step-3: Factors of 40190

List of positive integer factors of 40190 that divides 40190 without a remainder.

1, 2, 5, 10, 4019, 8038, 20095

Step-4: Factors of 40205

List of positive integer factors of 40205 that divides 40190 without a remainder.

1, 5, 11, 17, 43, 55, 85, 187, 215, 473, 731, 935, 2365, 3655, 8041

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40190 and 40205. The biggest common factor number is the GCF number.
So the greatest common factor 40190 and 40205 is 5.

Also check out the Least Common Multiple of 40190 and 40205