What is the Greatest Common Factor of 1439 and 1455?

Greatest common factor (GCF) of 1439 and 1455 is 1.

GCF(1439,1455) = 1

We will now calculate the prime factors of 1439 and 1455, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1439 and 1455.

How to find the GCF of 1439 and 1455?

We will first find the prime factorization of 1439 and 1455. After we will calculate the factors of 1439 and 1455 and find the biggest common factor number .

Step-1: Prime Factorization of 1439

Prime factors of 1439 are 1439. Prime factorization of 1439 in exponential form is:

1439 = 1439¹

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 1439

List of positive integer factors of 1439 that divides 1439 without a remainder.

Step-4: Factors of 1455

List of positive integer factors of 1455 that divides 1439 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1439 and 1455. The biggest common factor number is the GCF number.
So the greatest common factor 1439 and 1455 is 1.

Also check out the Least Common Multiple of 1439 and 1455