What is the Greatest Common Factor of 68285 and 68289?

Greatest common factor (GCF) of 68285 and 68289 is 1.

GCF(68285,68289) = 1

We will now calculate the prime factors of 68285 and 68289, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68285 and 68289.

How to find the GCF of 68285 and 68289?

We will first find the prime factorization of 68285 and 68289. After we will calculate the factors of 68285 and 68289 and find the biggest common factor number .

Step-1: Prime Factorization of 68285

Prime factors of 68285 are 5, 7, 1951. Prime factorization of 68285 in exponential form is:

68285 = 5¹ × 7¹ × 1951¹

Step-2: Prime Factorization of 68289

Prime factors of 68289 are 3, 13, 17, 103. Prime factorization of 68289 in exponential form is:

68289 = 3¹ × 13¹ × 17¹ × 103¹

Step-3: Factors of 68285

List of positive integer factors of 68285 that divides 68285 without a remainder.

1, 5, 7, 35, 1951, 9755, 13657

Step-4: Factors of 68289

List of positive integer factors of 68289 that divides 68285 without a remainder.

1, 3, 13, 17, 39, 51, 103, 221, 309, 663, 1339, 1751, 4017, 5253, 22763

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68285 and 68289. The biggest common factor number is the GCF number.
So the greatest common factor 68285 and 68289 is 1.

Also check out the Least Common Multiple of 68285 and 68289