What is the Greatest Common Factor of 67660 and 67668?

Greatest common factor (GCF) of 67660 and 67668 is 4.

GCF(67660,67668) = 4

We will now calculate the prime factors of 67660 and 67668, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67660 and 67668.

How to find the GCF of 67660 and 67668?

We will first find the prime factorization of 67660 and 67668. After we will calculate the factors of 67660 and 67668 and find the biggest common factor number .

Step-1: Prime Factorization of 67660

Prime factors of 67660 are 2, 5, 17, 199. Prime factorization of 67660 in exponential form is:

67660 = 2² × 5¹ × 17¹ × 199¹

Step-2: Prime Factorization of 67668

Prime factors of 67668 are 2, 3, 5639. Prime factorization of 67668 in exponential form is:

67668 = 2² × 3¹ × 5639¹

Step-3: Factors of 67660

List of positive integer factors of 67660 that divides 67660 without a remainder.

1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 340, 398, 796, 995, 1990, 3383, 3980, 6766, 13532, 16915, 33830

Step-4: Factors of 67668

List of positive integer factors of 67668 that divides 67660 without a remainder.

1, 2, 3, 4, 6, 12, 5639, 11278, 16917, 22556, 33834

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67660 and 67668. The biggest common factor number is the GCF number.
So the greatest common factor 67660 and 67668 is 4.

Also check out the Least Common Multiple of 67660 and 67668