What is the Greatest Common Factor of 63845 and 63865?

Greatest common factor (GCF) of 63845 and 63865 is 5.

GCF(63845,63865) = 5

We will now calculate the prime factors of 63845 and 63865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63845 and 63865.

How to find the GCF of 63845 and 63865?

We will first find the prime factorization of 63845 and 63865. After we will calculate the factors of 63845 and 63865 and find the biggest common factor number .

Step-1: Prime Factorization of 63845

Prime factors of 63845 are 5, 113. Prime factorization of 63845 in exponential form is:

63845 = 5¹ × 113²

Step-2: Prime Factorization of 63865

Prime factors of 63865 are 5, 53, 241. Prime factorization of 63865 in exponential form is:

63865 = 5¹ × 53¹ × 241¹

Step-3: Factors of 63845

List of positive integer factors of 63845 that divides 63845 without a remainder.

1, 5, 113, 565, 12769

Step-4: Factors of 63865

List of positive integer factors of 63865 that divides 63845 without a remainder.

1, 5, 53, 241, 265, 1205, 12773

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63845 and 63865. The biggest common factor number is the GCF number.
So the greatest common factor 63845 and 63865 is 5.

Also check out the Least Common Multiple of 63845 and 63865