What is the Greatest Common Factor of 68668 and 68686?

Greatest common factor (GCF) of 68668 and 68686 is 2.

GCF(68668,68686) = 2

We will now calculate the prime factors of 68668 and 68686, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68668 and 68686.

How to find the GCF of 68668 and 68686?

We will first find the prime factorization of 68668 and 68686. After we will calculate the factors of 68668 and 68686 and find the biggest common factor number .

Step-1: Prime Factorization of 68668

Prime factors of 68668 are 2, 17167. Prime factorization of 68668 in exponential form is:

68668 = 2² × 17167¹

Step-2: Prime Factorization of 68686

Prime factors of 68686 are 2, 61, 563. Prime factorization of 68686 in exponential form is:

68686 = 2¹ × 61¹ × 563¹

Step-3: Factors of 68668

List of positive integer factors of 68668 that divides 68668 without a remainder.

1, 2, 4, 17167, 34334

Step-4: Factors of 68686

List of positive integer factors of 68686 that divides 68668 without a remainder.

1, 2, 61, 122, 563, 1126, 34343

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68668 and 68686. The biggest common factor number is the GCF number.
So the greatest common factor 68668 and 68686 is 2.

Also check out the Least Common Multiple of 68668 and 68686