What is the Greatest Common Factor of 68720 and 68732?

Greatest common factor (GCF) of 68720 and 68732 is 4.

GCF(68720,68732) = 4

We will now calculate the prime factors of 68720 and 68732, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68720 and 68732.

How to find the GCF of 68720 and 68732?

We will first find the prime factorization of 68720 and 68732. After we will calculate the factors of 68720 and 68732 and find the biggest common factor number .

Step-1: Prime Factorization of 68720

Prime factors of 68720 are 2, 5, 859. Prime factorization of 68720 in exponential form is:

68720 = 2⁴ × 5¹ × 859¹

Step-2: Prime Factorization of 68732

Prime factors of 68732 are 2, 17183. Prime factorization of 68732 in exponential form is:

68732 = 2² × 17183¹

Step-3: Factors of 68720

List of positive integer factors of 68720 that divides 68720 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 859, 1718, 3436, 4295, 6872, 8590, 13744, 17180, 34360

Step-4: Factors of 68732

List of positive integer factors of 68732 that divides 68720 without a remainder.

1, 2, 4, 17183, 34366

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68720 and 68732. The biggest common factor number is the GCF number.
So the greatest common factor 68720 and 68732 is 4.

Also check out the Least Common Multiple of 68720 and 68732