What is the Greatest Common Factor of 66310 and 66315?

Greatest common factor (GCF) of 66310 and 66315 is 5.

GCF(66310,66315) = 5

We will now calculate the prime factors of 66310 and 66315, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66310 and 66315.

How to find the GCF of 66310 and 66315?

We will first find the prime factorization of 66310 and 66315. After we will calculate the factors of 66310 and 66315 and find the biggest common factor number .

Step-1: Prime Factorization of 66310

Prime factors of 66310 are 2, 5, 19, 349. Prime factorization of 66310 in exponential form is:

66310 = 2¹ × 5¹ × 19¹ × 349¹

Step-2: Prime Factorization of 66315

Prime factors of 66315 are 3, 5, 4421. Prime factorization of 66315 in exponential form is:

66315 = 3¹ × 5¹ × 4421¹

Step-3: Factors of 66310

List of positive integer factors of 66310 that divides 66310 without a remainder.

1, 2, 5, 10, 19, 38, 95, 190, 349, 698, 1745, 3490, 6631, 13262, 33155

Step-4: Factors of 66315

List of positive integer factors of 66315 that divides 66310 without a remainder.

1, 3, 5, 15, 4421, 13263, 22105

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66310 and 66315. The biggest common factor number is the GCF number.
So the greatest common factor 66310 and 66315 is 5.

Also check out the Least Common Multiple of 66310 and 66315