What is the Greatest Common Factor of 65285 and 65289?

Greatest common factor (GCF) of 65285 and 65289 is 1.

GCF(65285,65289) = 1

We will now calculate the prime factors of 65285 and 65289, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65285 and 65289.

How to find the GCF of 65285 and 65289?

We will first find the prime factorization of 65285 and 65289. After we will calculate the factors of 65285 and 65289 and find the biggest common factor number .

Step-1: Prime Factorization of 65285

Prime factors of 65285 are 5, 11, 1187. Prime factorization of 65285 in exponential form is:

65285 = 5¹ × 11¹ × 1187¹

Step-2: Prime Factorization of 65289

Prime factors of 65289 are 3, 7, 3109. Prime factorization of 65289 in exponential form is:

65289 = 3¹ × 7¹ × 3109¹

Step-3: Factors of 65285

List of positive integer factors of 65285 that divides 65285 without a remainder.

1, 5, 11, 55, 1187, 5935, 13057

Step-4: Factors of 65289

List of positive integer factors of 65289 that divides 65285 without a remainder.

1, 3, 7, 21, 3109, 9327, 21763

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65285 and 65289. The biggest common factor number is the GCF number.
So the greatest common factor 65285 and 65289 is 1.

Also check out the Least Common Multiple of 65285 and 65289