What is the Greatest Common Factor of 72440 and 72451?

Greatest common factor (GCF) of 72440 and 72451 is 1.

GCF(72440,72451) = 1

We will now calculate the prime factors of 72440 and 72451, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72440 and 72451.

How to find the GCF of 72440 and 72451?

We will first find the prime factorization of 72440 and 72451. After we will calculate the factors of 72440 and 72451 and find the biggest common factor number .

Step-1: Prime Factorization of 72440

Prime factors of 72440 are 2, 5, 1811. Prime factorization of 72440 in exponential form is:

72440 = 2³ × 5¹ × 1811¹

Step-2: Prime Factorization of 72451

Prime factors of 72451 are 53, 1367. Prime factorization of 72451 in exponential form is:

72451 = 53¹ × 1367¹

Step-3: Factors of 72440

List of positive integer factors of 72440 that divides 72440 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1811, 3622, 7244, 9055, 14488, 18110, 36220

Step-4: Factors of 72451

List of positive integer factors of 72451 that divides 72440 without a remainder.

1, 53, 1367

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72440 and 72451. The biggest common factor number is the GCF number.
So the greatest common factor 72440 and 72451 is 1.

Also check out the Least Common Multiple of 72440 and 72451