What is the Greatest Common Factor of 68680 and 68689?

Greatest common factor (GCF) of 68680 and 68689 is 1.

GCF(68680,68689) = 1

We will now calculate the prime factors of 68680 and 68689, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68680 and 68689.

How to find the GCF of 68680 and 68689?

We will first find the prime factorization of 68680 and 68689. After we will calculate the factors of 68680 and 68689 and find the biggest common factor number .

Step-1: Prime Factorization of 68680

Prime factors of 68680 are 2, 5, 17, 101. Prime factorization of 68680 in exponential form is:

68680 = 2³ × 5¹ × 17¹ × 101¹

Step-2: Prime Factorization of 68689

Prime factors of 68689 are 149, 461. Prime factorization of 68689 in exponential form is:

68689 = 149¹ × 461¹

Step-3: Factors of 68680

List of positive integer factors of 68680 that divides 68680 without a remainder.

1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 340, 404, 505, 680, 808, 1010, 1717, 2020, 3434, 4040, 6868, 8585, 13736, 17170, 34340

Step-4: Factors of 68689

List of positive integer factors of 68689 that divides 68680 without a remainder.

1, 149, 461

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68680 and 68689. The biggest common factor number is the GCF number.
So the greatest common factor 68680 and 68689 is 1.

Also check out the Least Common Multiple of 68680 and 68689