What is the Greatest Common Factor of 1455 and 1465?

Greatest common factor (GCF) of 1455 and 1465 is 5.

GCF(1455,1465) = 5

We will now calculate the prime factors of 1455 and 1465, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1455 and 1465.

How to find the GCF of 1455 and 1465?

We will first find the prime factorization of 1455 and 1465. After we will calculate the factors of 1455 and 1465 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 1465

Prime factors of 1465 are 5, 293. Prime factorization of 1465 in exponential form is:

1465 = 5¹ × 293¹

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 1465

List of positive integer factors of 1465 that divides 1455 without a remainder.

1, 5, 293

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1455 and 1465. The biggest common factor number is the GCF number.
So the greatest common factor 1455 and 1465 is 5.

Also check out the Least Common Multiple of 1455 and 1465