What is the Greatest Common Factor of 63255 and 63270?

Greatest common factor (GCF) of 63255 and 63270 is 15.

GCF(63255,63270) = 15

We will now calculate the prime factors of 63255 and 63270, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63255 and 63270.

How to find the GCF of 63255 and 63270?

We will first find the prime factorization of 63255 and 63270. After we will calculate the factors of 63255 and 63270 and find the biggest common factor number .

Step-1: Prime Factorization of 63255

Prime factors of 63255 are 3, 5, 4217. Prime factorization of 63255 in exponential form is:

63255 = 3¹ × 5¹ × 4217¹

Step-2: Prime Factorization of 63270

Prime factors of 63270 are 2, 3, 5, 19, 37. Prime factorization of 63270 in exponential form is:

63270 = 2¹ × 3² × 5¹ × 19¹ × 37¹

Step-3: Factors of 63255

List of positive integer factors of 63255 that divides 63255 without a remainder.

1, 3, 5, 15, 4217, 12651, 21085

Step-4: Factors of 63270

List of positive integer factors of 63270 that divides 63255 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 37, 38, 45, 57, 74, 90, 95, 111, 114, 171, 185, 190, 222, 285, 333, 342, 370, 555, 570, 666, 703, 855, 1110, 1406, 1665, 1710, 2109, 3330, 3515, 4218, 6327, 7030, 10545, 12654, 21090, 31635

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63255 and 63270. The biggest common factor number is the GCF number.
So the greatest common factor 63255 and 63270 is 15.

Also check out the Least Common Multiple of 63255 and 63270