What is the Greatest Common Factor of 40410 and 40428?

Greatest common factor (GCF) of 40410 and 40428 is 18.

GCF(40410,40428) = 18

We will now calculate the prime factors of 40410 and 40428, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40410 and 40428.

How to find the GCF of 40410 and 40428?

We will first find the prime factorization of 40410 and 40428. After we will calculate the factors of 40410 and 40428 and find the biggest common factor number .

Step-1: Prime Factorization of 40410

Prime factors of 40410 are 2, 3, 5, 449. Prime factorization of 40410 in exponential form is:

40410 = 2¹ × 3² × 5¹ × 449¹

Step-2: Prime Factorization of 40428

Prime factors of 40428 are 2, 3, 1123. Prime factorization of 40428 in exponential form is:

40428 = 2² × 3² × 1123¹

Step-3: Factors of 40410

List of positive integer factors of 40410 that divides 40410 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 449, 898, 1347, 2245, 2694, 4041, 4490, 6735, 8082, 13470, 20205

Step-4: Factors of 40428

List of positive integer factors of 40428 that divides 40410 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 1123, 2246, 3369, 4492, 6738, 10107, 13476, 20214

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40410 and 40428. The biggest common factor number is the GCF number.
So the greatest common factor 40410 and 40428 is 18.

Also check out the Least Common Multiple of 40410 and 40428