What is the Greatest Common Factor of 69855 and 69865?

Greatest common factor (GCF) of 69855 and 69865 is 5.

GCF(69855,69865) = 5

We will now calculate the prime factors of 69855 and 69865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69855 and 69865.

How to find the GCF of 69855 and 69865?

We will first find the prime factorization of 69855 and 69865. After we will calculate the factors of 69855 and 69865 and find the biggest common factor number .

Step-1: Prime Factorization of 69855

Prime factors of 69855 are 3, 5, 4657. Prime factorization of 69855 in exponential form is:

69855 = 3¹ × 5¹ × 4657¹

Step-2: Prime Factorization of 69865

Prime factors of 69865 are 5, 89, 157. Prime factorization of 69865 in exponential form is:

69865 = 5¹ × 89¹ × 157¹

Step-3: Factors of 69855

List of positive integer factors of 69855 that divides 69855 without a remainder.

1, 3, 5, 15, 4657, 13971, 23285

Step-4: Factors of 69865

List of positive integer factors of 69865 that divides 69855 without a remainder.

1, 5, 89, 157, 445, 785, 13973

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69855 and 69865. The biggest common factor number is the GCF number.
So the greatest common factor 69855 and 69865 is 5.

Also check out the Least Common Multiple of 69855 and 69865