GCF and LCM Calculator Logo

What is the Least Common Multiple of 18840 and 18849?

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 18840 and 18849 is 118371720.

LCM(18840,18849) = 118371720

LCM Calculator and
and

Least Common Multiple of 18840 and 18849 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18840 and 18849, than apply into the LCM equation.

GCF(18840,18849) = 3
LCM(18840,18849) = ( 18840 × 18849) / 3
LCM(18840,18849) = 355115160 / 3
LCM(18840,18849) = 118371720

Least Common Multiple (LCM) of 18840 and 18849 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18840 and 18849. First we will calculate the prime factors of 18840 and 18849.

Prime Factorization of 18840

Prime factors of 18840 are 2, 3, 5, 157. Prime factorization of 18840 in exponential form is:

18840 = 23 × 31 × 51 × 1571

Prime Factorization of 18849

Prime factors of 18849 are 3, 61, 103. Prime factorization of 18849 in exponential form is:

18849 = 31 × 611 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 18840 and 18849.

LCM(18840,18849) = 23 × 31 × 51 × 1571 × 611 × 1031
LCM(18840,18849) = 118371720