What is the Greatest Common Factor of 69885 and 69891?

Greatest common factor (GCF) of 69885 and 69891 is 3.

GCF(69885,69891) = 3

We will now calculate the prime factors of 69885 and 69891, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69885 and 69891.

How to find the GCF of 69885 and 69891?

We will first find the prime factorization of 69885 and 69891. After we will calculate the factors of 69885 and 69891 and find the biggest common factor number .

Step-1: Prime Factorization of 69885

Prime factors of 69885 are 3, 5, 1553. Prime factorization of 69885 in exponential form is:

69885 = 3² × 5¹ × 1553¹

Step-2: Prime Factorization of 69891

Prime factors of 69891 are 3, 23297. Prime factorization of 69891 in exponential form is:

69891 = 3¹ × 23297¹

Step-3: Factors of 69885

List of positive integer factors of 69885 that divides 69885 without a remainder.

1, 3, 5, 9, 15, 45, 1553, 4659, 7765, 13977, 23295

Step-4: Factors of 69891

List of positive integer factors of 69891 that divides 69885 without a remainder.

1, 3, 23297

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69885 and 69891. The biggest common factor number is the GCF number.
So the greatest common factor 69885 and 69891 is 3.

Also check out the Least Common Multiple of 69885 and 69891