What is the Greatest Common Factor of 17445 and 17457?

Greatest common factor (GCF) of 17445 and 17457 is 3.

GCF(17445,17457) = 3

We will now calculate the prime factors of 17445 and 17457, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17445 and 17457.

How to find the GCF of 17445 and 17457?

We will first find the prime factorization of 17445 and 17457. After we will calculate the factors of 17445 and 17457 and find the biggest common factor number .

Step-1: Prime Factorization of 17445

Prime factors of 17445 are 3, 5, 1163. Prime factorization of 17445 in exponential form is:

17445 = 3¹ × 5¹ × 1163¹

Step-2: Prime Factorization of 17457

Prime factors of 17457 are 3, 11, 23. Prime factorization of 17457 in exponential form is:

17457 = 3¹ × 11¹ × 23²

Step-3: Factors of 17445

List of positive integer factors of 17445 that divides 17445 without a remainder.

1, 3, 5, 15, 1163, 3489, 5815

Step-4: Factors of 17457

List of positive integer factors of 17457 that divides 17445 without a remainder.

1, 3, 11, 23, 33, 69, 253, 529, 759, 1587, 5819

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17445 and 17457. The biggest common factor number is the GCF number.
So the greatest common factor 17445 and 17457 is 3.

Also check out the Least Common Multiple of 17445 and 17457