What is the Greatest Common Factor of 891 and 895?

Greatest common factor (GCF) of 891 and 895 is 1.

GCF(891,895) = 1

We will now calculate the prime factors of 891 and 895, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 891 and 895.

How to find the GCF of 891 and 895?

We will first find the prime factorization of 891 and 895. After we will calculate the factors of 891 and 895 and find the biggest common factor number .

Step-1: Prime Factorization of 891

Prime factors of 891 are 3, 11. Prime factorization of 891 in exponential form is:

891 = 3⁴ × 11¹

Step-2: Prime Factorization of 895

Prime factors of 895 are 5, 179. Prime factorization of 895 in exponential form is:

895 = 5¹ × 179¹

Step-3: Factors of 891

List of positive integer factors of 891 that divides 891 without a remainder.

1, 3, 9, 11, 27, 33, 81, 99, 297

Step-4: Factors of 895

List of positive integer factors of 895 that divides 891 without a remainder.

1, 5, 179

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 891 and 895. The biggest common factor number is the GCF number.
So the greatest common factor 891 and 895 is 1.

Also check out the Least Common Multiple of 891 and 895