What is the Greatest Common Factor of 289 and 303?

Greatest common factor (GCF) of 289 and 303 is 1.

GCF(289,303) = 1

We will now calculate the prime factors of 289 and 303, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 289 and 303.

How to find the GCF of 289 and 303?

We will first find the prime factorization of 289 and 303. After we will calculate the factors of 289 and 303 and find the biggest common factor number .

Step-1: Prime Factorization of 289

Prime factors of 289 are 17. Prime factorization of 289 in exponential form is:

289 = 17²

Step-2: Prime Factorization of 303

Prime factors of 303 are 3, 101. Prime factorization of 303 in exponential form is:

303 = 3¹ × 101¹

Step-3: Factors of 289

List of positive integer factors of 289 that divides 289 without a remainder.

1, 17

Step-4: Factors of 303

List of positive integer factors of 303 that divides 289 without a remainder.

1, 3, 101

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 289 and 303. The biggest common factor number is the GCF number.
So the greatest common factor 289 and 303 is 1.

Also check out the Least Common Multiple of 289 and 303