GCF and LCM Calculator Logo

What is the Least Common Multiple of 23840 and 23857?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 23840 and 23857 is 568750880.

LCM(23840,23857) = 568750880

LCM Calculator and
and

Least Common Multiple of 23840 and 23857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23840 and 23857, than apply into the LCM equation.

GCF(23840,23857) = 1
LCM(23840,23857) = ( 23840 × 23857) / 1
LCM(23840,23857) = 568750880 / 1
LCM(23840,23857) = 568750880

Least Common Multiple (LCM) of 23840 and 23857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23840 and 23857. First we will calculate the prime factors of 23840 and 23857.

Prime Factorization of 23840

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

23840 = 25 × 51 × 1491

Prime Factorization of 23857

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

23857 = 238571

Now multiplying the highest exponent prime factors to calculate the LCM of 23840 and 23857.

LCM(23840,23857) = 25 × 51 × 1491 × 238571
LCM(23840,23857) = 568750880