What is the Greatest Common Factor of 72765 and 72770?

Greatest common factor (GCF) of 72765 and 72770 is 5.

GCF(72765,72770) = 5

We will now calculate the prime factors of 72765 and 72770, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72765 and 72770.

How to find the GCF of 72765 and 72770?

We will first find the prime factorization of 72765 and 72770. After we will calculate the factors of 72765 and 72770 and find the biggest common factor number .

Step-1: Prime Factorization of 72765

Prime factors of 72765 are 3, 5, 7, 11. Prime factorization of 72765 in exponential form is:

72765 = 3³ × 5¹ × 7² × 11¹

Step-2: Prime Factorization of 72770

Prime factors of 72770 are 2, 5, 19, 383. Prime factorization of 72770 in exponential form is:

72770 = 2¹ × 5¹ × 19¹ × 383¹

Step-3: Factors of 72765

List of positive integer factors of 72765 that divides 72765 without a remainder.

1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 49, 55, 63, 77, 99, 105, 135, 147, 165, 189, 231, 245, 297, 315, 385, 441, 495, 539, 693, 735, 945, 1155, 1323, 1485, 1617, 2079, 2205, 2695, 3465, 4851, 6615, 8085, 10395, 14553, 24255

Step-4: Factors of 72770

List of positive integer factors of 72770 that divides 72765 without a remainder.

1, 2, 5, 10, 19, 38, 95, 190, 383, 766, 1915, 3830, 7277, 14554, 36385

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72765 and 72770. The biggest common factor number is the GCF number.
So the greatest common factor 72765 and 72770 is 5.

Also check out the Least Common Multiple of 72765 and 72770