What is the Greatest Common Factor of 41990 and 42010?

Greatest common factor (GCF) of 41990 and 42010 is 10.

GCF(41990,42010) = 10

We will now calculate the prime factors of 41990 and 42010, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 41990 and 42010.

How to find the GCF of 41990 and 42010?

We will first find the prime factorization of 41990 and 42010. After we will calculate the factors of 41990 and 42010 and find the biggest common factor number .

Step-1: Prime Factorization of 41990

Prime factors of 41990 are 2, 5, 13, 17, 19. Prime factorization of 41990 in exponential form is:

41990 = 2¹ × 5¹ × 13¹ × 17¹ × 19¹

Step-2: Prime Factorization of 42010

Prime factors of 42010 are 2, 5, 4201. Prime factorization of 42010 in exponential form is:

42010 = 2¹ × 5¹ × 4201¹

Step-3: Factors of 41990

List of positive integer factors of 41990 that divides 41990 without a remainder.

1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 2210, 2470, 3230, 4199, 8398, 20995

Step-4: Factors of 42010

List of positive integer factors of 42010 that divides 41990 without a remainder.

1, 2, 5, 10, 4201, 8402, 21005

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 41990 and 42010. The biggest common factor number is the GCF number.
So the greatest common factor 41990 and 42010 is 10.

Also check out the Least Common Multiple of 41990 and 42010