What is the Greatest Common Factor of 17478 and 17485?

Greatest common factor (GCF) of 17478 and 17485 is 1.

GCF(17478,17485) = 1

We will now calculate the prime factors of 17478 and 17485, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17478 and 17485.

How to find the GCF of 17478 and 17485?

We will first find the prime factorization of 17478 and 17485. After we will calculate the factors of 17478 and 17485 and find the biggest common factor number .

Step-1: Prime Factorization of 17478

Prime factors of 17478 are 2, 3, 971. Prime factorization of 17478 in exponential form is:

17478 = 2¹ × 3² × 971¹

Step-2: Prime Factorization of 17485

Prime factors of 17485 are 5, 13, 269. Prime factorization of 17485 in exponential form is:

17485 = 5¹ × 13¹ × 269¹

Step-3: Factors of 17478

List of positive integer factors of 17478 that divides 17478 without a remainder.

1, 2, 3, 6, 9, 18, 971, 1942, 2913, 5826, 8739

Step-4: Factors of 17485

List of positive integer factors of 17485 that divides 17478 without a remainder.

1, 5, 13, 65, 269, 1345, 3497

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17478 and 17485. The biggest common factor number is the GCF number.
So the greatest common factor 17478 and 17485 is 1.

Also check out the Least Common Multiple of 17478 and 17485