What is the Greatest Common Factor of 63440 and 63460?

Greatest common factor (GCF) of 63440 and 63460 is 20.

GCF(63440,63460) = 20

We will now calculate the prime factors of 63440 and 63460, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63440 and 63460.

How to find the GCF of 63440 and 63460?

We will first find the prime factorization of 63440 and 63460. After we will calculate the factors of 63440 and 63460 and find the biggest common factor number .

Step-1: Prime Factorization of 63440

Prime factors of 63440 are 2, 5, 13, 61. Prime factorization of 63440 in exponential form is:

63440 = 2⁴ × 5¹ × 13¹ × 61¹

Step-2: Prime Factorization of 63460

Prime factors of 63460 are 2, 5, 19, 167. Prime factorization of 63460 in exponential form is:

63460 = 2² × 5¹ × 19¹ × 167¹

Step-3: Factors of 63440

List of positive integer factors of 63440 that divides 63440 without a remainder.

1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2440, 3172, 3965, 4880, 6344, 7930, 12688, 15860, 31720

Step-4: Factors of 63460

List of positive integer factors of 63460 that divides 63440 without a remainder.

1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 668, 835, 1670, 3173, 3340, 6346, 12692, 15865, 31730

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63440 and 63460. The biggest common factor number is the GCF number.
So the greatest common factor 63440 and 63460 is 20.

Also check out the Least Common Multiple of 63440 and 63460