What is the Greatest Common Factor of 72745 and 72765?

Greatest common factor (GCF) of 72745 and 72765 is 5.

GCF(72745,72765) = 5

We will now calculate the prime factors of 72745 and 72765, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72745 and 72765.

How to find the GCF of 72745 and 72765?

We will first find the prime factorization of 72745 and 72765. After we will calculate the factors of 72745 and 72765 and find the biggest common factor number .

Step-1: Prime Factorization of 72745

Prime factors of 72745 are 5, 14549. Prime factorization of 72745 in exponential form is:

72745 = 5¹ × 14549¹

Step-2: 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-3: Factors of 72745

List of positive integer factors of 72745 that divides 72745 without a remainder.

1, 5, 14549

Step-4: Factors of 72765

List of positive integer factors of 72765 that divides 72745 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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72745 and 72765. The biggest common factor number is the GCF number.
So the greatest common factor 72745 and 72765 is 5.

Also check out the Least Common Multiple of 72745 and 72765