What is the Greatest Common Factor of 1437 and 1455?

Greatest common factor (GCF) of 1437 and 1455 is 3.

GCF(1437,1455) = 3

We will now calculate the prime factors of 1437 and 1455, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1437 and 1455.

How to find the GCF of 1437 and 1455?

We will first find the prime factorization of 1437 and 1455. After we will calculate the factors of 1437 and 1455 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 1455

Prime factors of 1455 are 3, 5, 97. Prime factorization of 1455 in exponential form is:

1455 = 3¹ × 5¹ × 97¹

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 1455

List of positive integer factors of 1455 that divides 1437 without a remainder.

1, 3, 5, 15, 97, 291, 485

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1437 and 1455. The biggest common factor number is the GCF number.
So the greatest common factor 1437 and 1455 is 3.

Also check out the Least Common Multiple of 1437 and 1455