What is the Greatest Common Factor of 72409 and 72423?

Greatest common factor (GCF) of 72409 and 72423 is 1.

GCF(72409,72423) = 1

We will now calculate the prime factors of 72409 and 72423, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72409 and 72423.

How to find the GCF of 72409 and 72423?

We will first find the prime factorization of 72409 and 72423. After we will calculate the factors of 72409 and 72423 and find the biggest common factor number .

Step-1: Prime Factorization of 72409

Prime factors of 72409 are 19, 37, 103. Prime factorization of 72409 in exponential form is:

72409 = 19¹ × 37¹ × 103¹

Step-2: Prime Factorization of 72423

Prime factors of 72423 are 3, 13, 619. Prime factorization of 72423 in exponential form is:

72423 = 3² × 13¹ × 619¹

Step-3: Factors of 72409

List of positive integer factors of 72409 that divides 72409 without a remainder.

1, 19, 37, 103, 703, 1957, 3811

Step-4: Factors of 72423

List of positive integer factors of 72423 that divides 72409 without a remainder.

1, 3, 9, 13, 39, 117, 619, 1857, 5571, 8047, 24141

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72409 and 72423. The biggest common factor number is the GCF number.
So the greatest common factor 72409 and 72423 is 1.

Also check out the Least Common Multiple of 72409 and 72423