What is the Greatest Common Factor of 85855 and 85871?

Greatest common factor (GCF) of 85855 and 85871 is 1.

GCF(85855,85871) = 1

We will now calculate the prime factors of 85855 and 85871, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85855 and 85871.

How to find the GCF of 85855 and 85871?

We will first find the prime factorization of 85855 and 85871. After we will calculate the factors of 85855 and 85871 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 85871

Prime factors of 85871 are 43, 1997. Prime factorization of 85871 in exponential form is:

85871 = 43¹ × 1997¹

Step-3: Factors of 85855

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

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

Step-4: Factors of 85871

List of positive integer factors of 85871 that divides 85855 without a remainder.

1, 43, 1997

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85855 and 85871. The biggest common factor number is the GCF number.
So the greatest common factor 85855 and 85871 is 1.

Also check out the Least Common Multiple of 85855 and 85871