What is the Greatest Common Factor of 75664 and 75680?

Greatest common factor (GCF) of 75664 and 75680 is 16.

GCF(75664,75680) = 16

We will now calculate the prime factors of 75664 and 75680, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75664 and 75680.

How to find the GCF of 75664 and 75680?

We will first find the prime factorization of 75664 and 75680. After we will calculate the factors of 75664 and 75680 and find the biggest common factor number .

Step-1: Prime Factorization of 75664

Prime factors of 75664 are 2, 4729. Prime factorization of 75664 in exponential form is:

75664 = 2⁴ × 4729¹

Step-2: Prime Factorization of 75680

Prime factors of 75680 are 2, 5, 11, 43. Prime factorization of 75680 in exponential form is:

75680 = 2⁵ × 5¹ × 11¹ × 43¹

Step-3: Factors of 75664

List of positive integer factors of 75664 that divides 75664 without a remainder.

1, 2, 4, 8, 16, 4729, 9458, 18916, 37832

Step-4: Factors of 75680

List of positive integer factors of 75680 that divides 75664 without a remainder.

1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 160, 172, 176, 215, 220, 344, 352, 430, 440, 473, 688, 860, 880, 946, 1376, 1720, 1760, 1892, 2365, 3440, 3784, 4730, 6880, 7568, 9460, 15136, 18920, 37840

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75664 and 75680. The biggest common factor number is the GCF number.
So the greatest common factor 75664 and 75680 is 16.

Also check out the Least Common Multiple of 75664 and 75680