What is the Greatest Common Factor of 66800 and 66815?

Greatest common factor (GCF) of 66800 and 66815 is 5.

GCF(66800,66815) = 5

We will now calculate the prime factors of 66800 and 66815, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66800 and 66815.

How to find the GCF of 66800 and 66815?

We will first find the prime factorization of 66800 and 66815. After we will calculate the factors of 66800 and 66815 and find the biggest common factor number .

Step-1: Prime Factorization of 66800

Prime factors of 66800 are 2, 5, 167. Prime factorization of 66800 in exponential form is:

66800 = 2⁴ × 5² × 167¹

Step-2: Prime Factorization of 66815

Prime factors of 66815 are 5, 7, 23, 83. Prime factorization of 66815 in exponential form is:

66815 = 5¹ × 7¹ × 23¹ × 83¹

Step-3: Factors of 66800

List of positive integer factors of 66800 that divides 66800 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 167, 200, 334, 400, 668, 835, 1336, 1670, 2672, 3340, 4175, 6680, 8350, 13360, 16700, 33400

Step-4: Factors of 66815

List of positive integer factors of 66815 that divides 66800 without a remainder.

1, 5, 7, 23, 35, 83, 115, 161, 415, 581, 805, 1909, 2905, 9545, 13363

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66800 and 66815. The biggest common factor number is the GCF number.
So the greatest common factor 66800 and 66815 is 5.

Also check out the Least Common Multiple of 66800 and 66815