What is the Greatest Common Factor of 17843 and 17857?

Greatest common factor (GCF) of 17843 and 17857 is 7.

GCF(17843,17857) = 7

We will now calculate the prime factors of 17843 and 17857, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17843 and 17857.

How to find the GCF of 17843 and 17857?

We will first find the prime factorization of 17843 and 17857. After we will calculate the factors of 17843 and 17857 and find the biggest common factor number .

Step-1: Prime Factorization of 17843

Prime factors of 17843 are 7, 2549. Prime factorization of 17843 in exponential form is:

17843 = 7¹ × 2549¹

Step-2: Prime Factorization of 17857

Prime factors of 17857 are 7, 2551. Prime factorization of 17857 in exponential form is:

17857 = 7¹ × 2551¹

Step-3: Factors of 17843

List of positive integer factors of 17843 that divides 17843 without a remainder.

1, 7, 2549

Step-4: Factors of 17857

List of positive integer factors of 17857 that divides 17843 without a remainder.

1, 7, 2551

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17843 and 17857. The biggest common factor number is the GCF number.
So the greatest common factor 17843 and 17857 is 7.

Also check out the Least Common Multiple of 17843 and 17857