What is the Greatest Common Factor of 68780 and 68785?

Greatest common factor (GCF) of 68780 and 68785 is 5.

GCF(68780,68785) = 5

We will now calculate the prime factors of 68780 and 68785, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68780 and 68785.

How to find the GCF of 68780 and 68785?

We will first find the prime factorization of 68780 and 68785. After we will calculate the factors of 68780 and 68785 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 68785

Prime factors of 68785 are 5, 13757. Prime factorization of 68785 in exponential form is:

68785 = 5¹ × 13757¹

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 68785

List of positive integer factors of 68785 that divides 68780 without a remainder.

1, 5, 13757

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68780 and 68785. The biggest common factor number is the GCF number.
So the greatest common factor 68780 and 68785 is 5.

Also check out the Least Common Multiple of 68780 and 68785