What is the Greatest Common Factor of 85839 and 85855?

Greatest common factor (GCF) of 85839 and 85855 is 1.

GCF(85839,85855) = 1

We will now calculate the prime factors of 85839 and 85855, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85839 and 85855.

How to find the GCF of 85839 and 85855?

We will first find the prime factorization of 85839 and 85855. After we will calculate the factors of 85839 and 85855 and find the biggest common factor number .

Step-1: Prime Factorization of 85839

Prime factors of 85839 are 3, 13, 31, 71. Prime factorization of 85839 in exponential form is:

85839 = 3¹ × 13¹ × 31¹ × 71¹

Step-2: Prime Factorization of 85855

Prime factors of 85855 are 5, 7, 11, 223. Prime factorization of 85855 in exponential form is:

85855 = 5¹ × 7¹ × 11¹ × 223¹

Step-3: Factors of 85839

List of positive integer factors of 85839 that divides 85839 without a remainder.

1, 3, 13, 31, 39, 71, 93, 213, 403, 923, 1209, 2201, 2769, 6603, 28613

Step-4: Factors of 85855

List of positive integer factors of 85855 that divides 85839 without a remainder.

1, 5, 7, 11, 35, 55, 77, 223, 385, 1115, 1561, 2453, 7805, 12265, 17171

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85839 and 85855. The biggest common factor number is the GCF number.
So the greatest common factor 85839 and 85855 is 1.

Also check out the Least Common Multiple of 85839 and 85855