What is the Greatest Common Factor of 68915 and 68930?

Greatest common factor (GCF) of 68915 and 68930 is 5.

GCF(68915,68930) = 5

We will now calculate the prime factors of 68915 and 68930, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68915 and 68930.

How to find the GCF of 68915 and 68930?

We will first find the prime factorization of 68915 and 68930. After we will calculate the factors of 68915 and 68930 and find the biggest common factor number .

Step-1: Prime Factorization of 68915

Prime factors of 68915 are 5, 7, 11, 179. Prime factorization of 68915 in exponential form is:

68915 = 5¹ × 7¹ × 11¹ × 179¹

Step-2: Prime Factorization of 68930

Prime factors of 68930 are 2, 5, 61, 113. Prime factorization of 68930 in exponential form is:

68930 = 2¹ × 5¹ × 61¹ × 113¹

Step-3: Factors of 68915

List of positive integer factors of 68915 that divides 68915 without a remainder.

1, 5, 7, 11, 35, 55, 77, 179, 385, 895, 1253, 1969, 6265, 9845, 13783

Step-4: Factors of 68930

List of positive integer factors of 68930 that divides 68915 without a remainder.

1, 2, 5, 10, 61, 113, 122, 226, 305, 565, 610, 1130, 6893, 13786, 34465

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68915 and 68930. The biggest common factor number is the GCF number.
So the greatest common factor 68915 and 68930 is 5.

Also check out the Least Common Multiple of 68915 and 68930