What is the Greatest Common Factor of 269 and 285?

Greatest common factor (GCF) of 269 and 285 is 1.

GCF(269,285) = 1

We will now calculate the prime factors of 269 and 285, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 269 and 285.

How to find the GCF of 269 and 285?

We will first find the prime factorization of 269 and 285. After we will calculate the factors of 269 and 285 and find the biggest common factor number .

Step-1: Prime Factorization of 269

Prime factors of 269 are 269. Prime factorization of 269 in exponential form is:

269 = 269¹

Step-2: Prime Factorization of 285

Prime factors of 285 are 3, 5, 19. Prime factorization of 285 in exponential form is:

285 = 3¹ × 5¹ × 19¹

Step-3: Factors of 269

List of positive integer factors of 269 that divides 269 without a remainder.

Step-4: Factors of 285

List of positive integer factors of 285 that divides 269 without a remainder.

1, 3, 5, 15, 19, 57, 95

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 269 and 285. The biggest common factor number is the GCF number.
So the greatest common factor 269 and 285 is 1.

Also check out the Least Common Multiple of 269 and 285