What is the Greatest Common Factor of 1455 and 1473?

Greatest common factor (GCF) of 1455 and 1473 is 3.

GCF(1455,1473) = 3

We will now calculate the prime factors of 1455 and 1473, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1455 and 1473.

How to find the GCF of 1455 and 1473?

We will first find the prime factorization of 1455 and 1473. After we will calculate the factors of 1455 and 1473 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 1473

Prime factors of 1473 are 3, 491. Prime factorization of 1473 in exponential form is:

1473 = 3¹ × 491¹

Step-3: Factors of 1455

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

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

Step-4: Factors of 1473

List of positive integer factors of 1473 that divides 1455 without a remainder.

1, 3, 491

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1455 and 1473. The biggest common factor number is the GCF number.
So the greatest common factor 1455 and 1473 is 3.

Also check out the Least Common Multiple of 1455 and 1473