What is the Greatest Common Factor of 68775 and 68789?

Greatest common factor (GCF) of 68775 and 68789 is 7.

GCF(68775,68789) = 7

We will now calculate the prime factors of 68775 and 68789, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68775 and 68789.

How to find the GCF of 68775 and 68789?

We will first find the prime factorization of 68775 and 68789. After we will calculate the factors of 68775 and 68789 and find the biggest common factor number .

Step-1: Prime Factorization of 68775

Prime factors of 68775 are 3, 5, 7, 131. Prime factorization of 68775 in exponential form is:

68775 = 3¹ × 5² × 7¹ × 131¹

Step-2: Prime Factorization of 68789

Prime factors of 68789 are 7, 31, 317. Prime factorization of 68789 in exponential form is:

68789 = 7¹ × 31¹ × 317¹

Step-3: Factors of 68775

List of positive integer factors of 68775 that divides 68775 without a remainder.

1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 131, 175, 393, 525, 655, 917, 1965, 2751, 3275, 4585, 9825, 13755, 22925

Step-4: Factors of 68789

List of positive integer factors of 68789 that divides 68775 without a remainder.

1, 7, 31, 217, 317, 2219, 9827

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68775 and 68789. The biggest common factor number is the GCF number.
So the greatest common factor 68775 and 68789 is 7.

Also check out the Least Common Multiple of 68775 and 68789