What is the Greatest Common Factor of 66240 and 66256?

Greatest common factor (GCF) of 66240 and 66256 is 16.

GCF(66240,66256) = 16

We will now calculate the prime factors of 66240 and 66256, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66240 and 66256.

How to find the GCF of 66240 and 66256?

We will first find the prime factorization of 66240 and 66256. After we will calculate the factors of 66240 and 66256 and find the biggest common factor number .

Step-1: Prime Factorization of 66240

Prime factors of 66240 are 2, 3, 5, 23. Prime factorization of 66240 in exponential form is:

66240 = 2⁶ × 3² × 5¹ × 23¹

Step-2: Prime Factorization of 66256

Prime factors of 66256 are 2, 41, 101. Prime factorization of 66256 in exponential form is:

66256 = 2⁴ × 41¹ × 101¹

Step-3: Factors of 66240

List of positive integer factors of 66240 that divides 66240 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 414, 460, 480, 552, 576, 690, 720, 736, 828, 920, 960, 1035, 1104, 1380, 1440, 1472, 1656, 1840, 2070, 2208, 2760, 2880, 3312, 3680, 4140, 4416, 5520, 6624, 7360, 8280, 11040, 13248, 16560, 22080, 33120

Step-4: Factors of 66256

List of positive integer factors of 66256 that divides 66240 without a remainder.

1, 2, 4, 8, 16, 41, 82, 101, 164, 202, 328, 404, 656, 808, 1616, 4141, 8282, 16564, 33128

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66240 and 66256. The biggest common factor number is the GCF number.
So the greatest common factor 66240 and 66256 is 16.

Also check out the Least Common Multiple of 66240 and 66256