What is the Greatest Common Factor of 23840 and 23857?

Greatest common factor (GCF) of 23840 and 23857 is 1.

GCF(23840,23857) = 1

We will now calculate the prime factors of 23840 and 23857, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23840 and 23857.

How to find the GCF of 23840 and 23857?

We will first find the prime factorization of 23840 and 23857. After we will calculate the factors of 23840 and 23857 and find the biggest common factor number .

Step-1: Prime Factorization of 23840

Prime factors of 23840 are 2, 5, 149. Prime factorization of 23840 in exponential form is:

23840 = 2⁵ × 5¹ × 149¹

Step-2: Prime Factorization of 23857

Prime factors of 23857 are 23857. Prime factorization of 23857 in exponential form is:

23857 = 23857¹

Step-3: Factors of 23840

List of positive integer factors of 23840 that divides 23840 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 2384, 2980, 4768, 5960, 11920

Step-4: Factors of 23857

List of positive integer factors of 23857 that divides 23840 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23840 and 23857. The biggest common factor number is the GCF number.
So the greatest common factor 23840 and 23857 is 1.

Also check out the Least Common Multiple of 23840 and 23857