What is the Greatest Common Factor of 83915 and 83930?

Greatest common factor (GCF) of 83915 and 83930 is 5.

GCF(83915,83930) = 5

We will now calculate the prime factors of 83915 and 83930, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 83915 and 83930.

How to find the GCF of 83915 and 83930?

We will first find the prime factorization of 83915 and 83930. After we will calculate the factors of 83915 and 83930 and find the biggest common factor number .

Step-1: Prime Factorization of 83915

Prime factors of 83915 are 5, 13, 1291. Prime factorization of 83915 in exponential form is:

83915 = 5¹ × 13¹ × 1291¹

Step-2: Prime Factorization of 83930

Prime factors of 83930 are 2, 5, 7, 11, 109. Prime factorization of 83930 in exponential form is:

83930 = 2¹ × 5¹ × 7¹ × 11¹ × 109¹

Step-3: Factors of 83915

List of positive integer factors of 83915 that divides 83915 without a remainder.

1, 5, 13, 65, 1291, 6455, 16783

Step-4: Factors of 83930

List of positive integer factors of 83930 that divides 83915 without a remainder.

1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 109, 110, 154, 218, 385, 545, 763, 770, 1090, 1199, 1526, 2398, 3815, 5995, 7630, 8393, 11990, 16786, 41965

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 83915 and 83930. The biggest common factor number is the GCF number.
So the greatest common factor 83915 and 83930 is 5.

Also check out the Least Common Multiple of 83915 and 83930