What is the Greatest Common Factor of 7285 and 7289?

Greatest common factor (GCF) of 7285 and 7289 is 1.

GCF(7285,7289) = 1

We will now calculate the prime factors of 7285 and 7289, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7285 and 7289.

How to find the GCF of 7285 and 7289?

We will first find the prime factorization of 7285 and 7289. After we will calculate the factors of 7285 and 7289 and find the biggest common factor number .

Step-1: Prime Factorization of 7285

Prime factors of 7285 are 5, 31, 47. Prime factorization of 7285 in exponential form is:

7285 = 5¹ × 31¹ × 47¹

Step-2: Prime Factorization of 7289

Prime factors of 7289 are 37, 197. Prime factorization of 7289 in exponential form is:

7289 = 37¹ × 197¹

Step-3: Factors of 7285

List of positive integer factors of 7285 that divides 7285 without a remainder.

1, 5, 31, 47, 155, 235, 1457

Step-4: Factors of 7289

List of positive integer factors of 7289 that divides 7285 without a remainder.

1, 37, 197

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7285 and 7289. The biggest common factor number is the GCF number.
So the greatest common factor 7285 and 7289 is 1.

Also check out the Least Common Multiple of 7285 and 7289