What is the Greatest Common Factor of 72802 and 72810?

Greatest common factor (GCF) of 72802 and 72810 is 2.

GCF(72802,72810) = 2

We will now calculate the prime factors of 72802 and 72810, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72802 and 72810.

How to find the GCF of 72802 and 72810?

We will first find the prime factorization of 72802 and 72810. After we will calculate the factors of 72802 and 72810 and find the biggest common factor number .

Step-1: Prime Factorization of 72802

Prime factors of 72802 are 2, 89, 409. Prime factorization of 72802 in exponential form is:

72802 = 2¹ × 89¹ × 409¹

Step-2: Prime Factorization of 72810

Prime factors of 72810 are 2, 3, 5, 809. Prime factorization of 72810 in exponential form is:

72810 = 2¹ × 3² × 5¹ × 809¹

Step-3: Factors of 72802

List of positive integer factors of 72802 that divides 72802 without a remainder.

1, 2, 89, 178, 409, 818, 36401

Step-4: Factors of 72810

List of positive integer factors of 72810 that divides 72802 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 809, 1618, 2427, 4045, 4854, 7281, 8090, 12135, 14562, 24270, 36405

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72802 and 72810. The biggest common factor number is the GCF number.
So the greatest common factor 72802 and 72810 is 2.

Also check out the Least Common Multiple of 72802 and 72810