What is the Greatest Common Factor of 69280 and 69289?

Greatest common factor (GCF) of 69280 and 69289 is 1.

GCF(69280,69289) = 1

We will now calculate the prime factors of 69280 and 69289, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69280 and 69289.

How to find the GCF of 69280 and 69289?

We will first find the prime factorization of 69280 and 69289. After we will calculate the factors of 69280 and 69289 and find the biggest common factor number .

Step-1: Prime Factorization of 69280

Prime factors of 69280 are 2, 5, 433. Prime factorization of 69280 in exponential form is:

69280 = 2⁵ × 5¹ × 433¹

Step-2: Prime Factorization of 69289

Prime factors of 69289 are 11, 6299. Prime factorization of 69289 in exponential form is:

69289 = 11¹ × 6299¹

Step-3: Factors of 69280

List of positive integer factors of 69280 that divides 69280 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 433, 866, 1732, 2165, 3464, 4330, 6928, 8660, 13856, 17320, 34640

Step-4: Factors of 69289

List of positive integer factors of 69289 that divides 69280 without a remainder.

1, 11, 6299

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69280 and 69289. The biggest common factor number is the GCF number.
So the greatest common factor 69280 and 69289 is 1.

Also check out the Least Common Multiple of 69280 and 69289