What is the Greatest Common Factor of 66255 and 66261?

Greatest common factor (GCF) of 66255 and 66261 is 3.

GCF(66255,66261) = 3

We will now calculate the prime factors of 66255 and 66261, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66255 and 66261.

How to find the GCF of 66255 and 66261?

We will first find the prime factorization of 66255 and 66261. After we will calculate the factors of 66255 and 66261 and find the biggest common factor number .

Step-1: Prime Factorization of 66255

Prime factors of 66255 are 3, 5, 7, 631. Prime factorization of 66255 in exponential form is:

66255 = 3¹ × 5¹ × 7¹ × 631¹

Step-2: Prime Factorization of 66261

Prime factors of 66261 are 3, 13, 1699. Prime factorization of 66261 in exponential form is:

66261 = 3¹ × 13¹ × 1699¹

Step-3: Factors of 66255

List of positive integer factors of 66255 that divides 66255 without a remainder.

1, 3, 5, 7, 15, 21, 35, 105, 631, 1893, 3155, 4417, 9465, 13251, 22085

Step-4: Factors of 66261

List of positive integer factors of 66261 that divides 66255 without a remainder.

1, 3, 13, 39, 1699, 5097, 22087

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66255 and 66261. The biggest common factor number is the GCF number.
So the greatest common factor 66255 and 66261 is 3.

Also check out the Least Common Multiple of 66255 and 66261