What is the Greatest Common Factor of 1437 and 1443?

Greatest common factor (GCF) of 1437 and 1443 is 3.

GCF(1437,1443) = 3

We will now calculate the prime factors of 1437 and 1443, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1437 and 1443.

How to find the GCF of 1437 and 1443?

We will first find the prime factorization of 1437 and 1443. After we will calculate the factors of 1437 and 1443 and find the biggest common factor number .

Step-1: Prime Factorization of 1437

Prime factors of 1437 are 3, 479. Prime factorization of 1437 in exponential form is:

1437 = 3¹ × 479¹

Step-2: Prime Factorization of 1443

Prime factors of 1443 are 3, 13, 37. Prime factorization of 1443 in exponential form is:

1443 = 3¹ × 13¹ × 37¹

Step-3: Factors of 1437

List of positive integer factors of 1437 that divides 1437 without a remainder.

1, 3, 479

Step-4: Factors of 1443

List of positive integer factors of 1443 that divides 1437 without a remainder.

1, 3, 13, 37, 39, 111, 481

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1437 and 1443. The biggest common factor number is the GCF number.
So the greatest common factor 1437 and 1443 is 3.

Also check out the Least Common Multiple of 1437 and 1443