What is the Greatest Common Factor of 7440 and 7457?

Greatest common factor (GCF) of 7440 and 7457 is 1.

GCF(7440,7457) = 1

We will now calculate the prime factors of 7440 and 7457, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7440 and 7457.

How to find the GCF of 7440 and 7457?

We will first find the prime factorization of 7440 and 7457. After we will calculate the factors of 7440 and 7457 and find the biggest common factor number .

Step-1: Prime Factorization of 7440

Prime factors of 7440 are 2, 3, 5, 31. Prime factorization of 7440 in exponential form is:

7440 = 2⁴ × 3¹ × 5¹ × 31¹

Step-2: Prime Factorization of 7457

Prime factors of 7457 are 7457. Prime factorization of 7457 in exponential form is:

7457 = 7457¹

Step-3: Factors of 7440

List of positive integer factors of 7440 that divides 7440 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720

Step-4: Factors of 7457

List of positive integer factors of 7457 that divides 7440 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7440 and 7457. The biggest common factor number is the GCF number.
So the greatest common factor 7440 and 7457 is 1.

Also check out the Least Common Multiple of 7440 and 7457