What is the Greatest Common Factor of 89855 and 89865?

Greatest common factor (GCF) of 89855 and 89865 is 5.

GCF(89855,89865) = 5

We will now calculate the prime factors of 89855 and 89865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 89855 and 89865.

How to find the GCF of 89855 and 89865?

We will first find the prime factorization of 89855 and 89865. After we will calculate the factors of 89855 and 89865 and find the biggest common factor number .

Step-1: Prime Factorization of 89855

Prime factors of 89855 are 5, 17971. Prime factorization of 89855 in exponential form is:

89855 = 5¹ × 17971¹

Step-2: Prime Factorization of 89865

Prime factors of 89865 are 3, 5, 1997. Prime factorization of 89865 in exponential form is:

89865 = 3² × 5¹ × 1997¹

Step-3: Factors of 89855

List of positive integer factors of 89855 that divides 89855 without a remainder.

1, 5, 17971

Step-4: Factors of 89865

List of positive integer factors of 89865 that divides 89855 without a remainder.

1, 3, 5, 9, 15, 45, 1997, 5991, 9985, 17973, 29955

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 89855 and 89865. The biggest common factor number is the GCF number.
So the greatest common factor 89855 and 89865 is 5.

Also check out the Least Common Multiple of 89855 and 89865