What is the Greatest Common Factor of 30845 and 30857?

Greatest common factor (GCF) of 30845 and 30857 is 1.

GCF(30845,30857) = 1

We will now calculate the prime factors of 30845 and 30857, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30845 and 30857.

How to find the GCF of 30845 and 30857?

We will first find the prime factorization of 30845 and 30857. After we will calculate the factors of 30845 and 30857 and find the biggest common factor number .

Step-1: Prime Factorization of 30845

Prime factors of 30845 are 5, 31, 199. Prime factorization of 30845 in exponential form is:

30845 = 5¹ × 31¹ × 199¹

Step-2: Prime Factorization of 30857

Prime factors of 30857 are 59, 523. Prime factorization of 30857 in exponential form is:

30857 = 59¹ × 523¹

Step-3: Factors of 30845

List of positive integer factors of 30845 that divides 30845 without a remainder.

1, 5, 31, 155, 199, 995, 6169

Step-4: Factors of 30857

List of positive integer factors of 30857 that divides 30845 without a remainder.

1, 59, 523

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30845 and 30857. The biggest common factor number is the GCF number.
So the greatest common factor 30845 and 30857 is 1.

Also check out the Least Common Multiple of 30845 and 30857