What is the Greatest Common Factor of 85820 and 85831?

Greatest common factor (GCF) of 85820 and 85831 is 1.

GCF(85820,85831) = 1

We will now calculate the prime factors of 85820 and 85831, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85820 and 85831.

How to find the GCF of 85820 and 85831?

We will first find the prime factorization of 85820 and 85831. After we will calculate the factors of 85820 and 85831 and find the biggest common factor number .

Step-1: Prime Factorization of 85820

Prime factors of 85820 are 2, 5, 7, 613. Prime factorization of 85820 in exponential form is:

85820 = 2² × 5¹ × 7¹ × 613¹

Step-2: Prime Factorization of 85831

Prime factors of 85831 are 85831. Prime factorization of 85831 in exponential form is:

85831 = 85831¹

Step-3: Factors of 85820

List of positive integer factors of 85820 that divides 85820 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 613, 1226, 2452, 3065, 4291, 6130, 8582, 12260, 17164, 21455, 42910

Step-4: Factors of 85831

List of positive integer factors of 85831 that divides 85820 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85820 and 85831. The biggest common factor number is the GCF number.
So the greatest common factor 85820 and 85831 is 1.

Also check out the Least Common Multiple of 85820 and 85831