What is the Greatest Common Factor of 440 and 460?

Greatest common factor (GCF) of 440 and 460 is 20.

GCF(440,460) = 20

We will now calculate the prime factors of 440 and 460, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 440 and 460.

How to find the GCF of 440 and 460?

We will first find the prime factorization of 440 and 460. After we will calculate the factors of 440 and 460 and find the biggest common factor number .

Step-1: Prime Factorization of 440

Prime factors of 440 are 2, 5, 11. Prime factorization of 440 in exponential form is:

440 = 2³ × 5¹ × 11¹

Step-2: Prime Factorization of 460

Prime factors of 460 are 2, 5, 23. Prime factorization of 460 in exponential form is:

460 = 2² × 5¹ × 23¹

Step-3: Factors of 440

List of positive integer factors of 440 that divides 440 without a remainder.

1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220

Step-4: Factors of 460

List of positive integer factors of 460 that divides 440 without a remainder.

1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 440 and 460. The biggest common factor number is the GCF number.
So the greatest common factor 440 and 460 is 20.

Also check out the Least Common Multiple of 440 and 460