GCF and LCM Calculator Logo

What is the Least Common Multiple of 43800 and 43811?

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 43800 and 43811 is 1918921800.

LCM(43800,43811) = 1918921800

LCM Calculator and
and

Least Common Multiple of 43800 and 43811 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43800 and 43811, than apply into the LCM equation.

GCF(43800,43811) = 1
LCM(43800,43811) = ( 43800 × 43811) / 1
LCM(43800,43811) = 1918921800 / 1
LCM(43800,43811) = 1918921800

Least Common Multiple (LCM) of 43800 and 43811 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43800 and 43811. First we will calculate the prime factors of 43800 and 43811.

Prime Factorization of 43800

Prime factors of 43800 are 2, 3, 5, 73. Prime factorization of 43800 in exponential form is:

43800 = 23 × 31 × 52 × 731

Prime Factorization of 43811

Prime factors of 43811 are 193, 227. Prime factorization of 43811 in exponential form is:

43811 = 1931 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 43800 and 43811.

LCM(43800,43811) = 23 × 31 × 52 × 731 × 1931 × 2271
LCM(43800,43811) = 1918921800