What is the Greatest Common Factor of 68780 and 68788?

Greatest common factor (GCF) of 68780 and 68788 is 4.

GCF(68780,68788) = 4

We will now calculate the prime factors of 68780 and 68788, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68780 and 68788.

How to find the GCF of 68780 and 68788?

We will first find the prime factorization of 68780 and 68788. After we will calculate the factors of 68780 and 68788 and find the biggest common factor number .

Step-1: Prime Factorization of 68780

Prime factors of 68780 are 2, 5, 19, 181. Prime factorization of 68780 in exponential form is:

68780 = 2² × 5¹ × 19¹ × 181¹

Step-2: Prime Factorization of 68788

Prime factors of 68788 are 2, 29, 593. Prime factorization of 68788 in exponential form is:

68788 = 2² × 29¹ × 593¹

Step-3: Factors of 68780

List of positive integer factors of 68780 that divides 68780 without a remainder.

1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 905, 1810, 3439, 3620, 6878, 13756, 17195, 34390

Step-4: Factors of 68788

List of positive integer factors of 68788 that divides 68780 without a remainder.

1, 2, 4, 29, 58, 116, 593, 1186, 2372, 17197, 34394

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68780 and 68788. The biggest common factor number is the GCF number.
So the greatest common factor 68780 and 68788 is 4.

Also check out the Least Common Multiple of 68780 and 68788