What is the Greatest Common Factor of 285 and 301?

Greatest common factor (GCF) of 285 and 301 is 1.

GCF(285,301) = 1

We will now calculate the prime factors of 285 and 301, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 285 and 301.

How to find the GCF of 285 and 301?

We will first find the prime factorization of 285 and 301. After we will calculate the factors of 285 and 301 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 301

Prime factors of 301 are 7, 43. Prime factorization of 301 in exponential form is:

301 = 7¹ × 43¹

Step-3: Factors of 285

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

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

Step-4: Factors of 301

List of positive integer factors of 301 that divides 285 without a remainder.

1, 7, 43

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 285 and 301. The biggest common factor number is the GCF number.
So the greatest common factor 285 and 301 is 1.

Also check out the Least Common Multiple of 285 and 301