GCF and LCM Calculator Logo

What is the Least Common Multiple of 1836 and 1844?

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 1836 and 1844 is 846396.

LCM(1836,1844) = 846396

LCM Calculator and
and

Least Common Multiple of 1836 and 1844 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1836 and 1844, than apply into the LCM equation.

GCF(1836,1844) = 4
LCM(1836,1844) = ( 1836 × 1844) / 4
LCM(1836,1844) = 3385584 / 4
LCM(1836,1844) = 846396

Least Common Multiple (LCM) of 1836 and 1844 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1836 and 1844. First we will calculate the prime factors of 1836 and 1844.

Prime Factorization of 1836

Prime factors of 1836 are 2, 3, 17. Prime factorization of 1836 in exponential form is:

1836 = 22 × 33 × 171

Prime Factorization of 1844

Prime factors of 1844 are 2, 461. Prime factorization of 1844 in exponential form is:

1844 = 22 × 4611

Now multiplying the highest exponent prime factors to calculate the LCM of 1836 and 1844.

LCM(1836,1844) = 22 × 33 × 171 × 4611
LCM(1836,1844) = 846396