What is the Greatest Common Factor of 23840 and 23860?

Greatest common factor (GCF) of 23840 and 23860 is 20.

GCF(23840,23860) = 20

We will now calculate the prime factors of 23840 and 23860, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23840 and 23860.

How to find the GCF of 23840 and 23860?

We will first find the prime factorization of 23840 and 23860. After we will calculate the factors of 23840 and 23860 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 23860

Prime factors of 23860 are 2, 5, 1193. Prime factorization of 23860 in exponential form is:

23860 = 2² × 5¹ × 1193¹

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 23860

List of positive integer factors of 23860 that divides 23840 without a remainder.

1, 2, 4, 5, 10, 20, 1193, 2386, 4772, 5965, 11930

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23840 and 23860. The biggest common factor number is the GCF number.
So the greatest common factor 23840 and 23860 is 20.

Also check out the Least Common Multiple of 23840 and 23860