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What is the Least Common Multiple of 3804 and 3819?

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 3804 and 3819 is 4842492.

LCM(3804,3819) = 4842492

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Least Common Multiple of 3804 and 3819 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3804 and 3819, than apply into the LCM equation.

GCF(3804,3819) = 3
LCM(3804,3819) = ( 3804 × 3819) / 3
LCM(3804,3819) = 14527476 / 3
LCM(3804,3819) = 4842492

Least Common Multiple (LCM) of 3804 and 3819 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3804 and 3819. First we will calculate the prime factors of 3804 and 3819.

Prime Factorization of 3804

Prime factors of 3804 are 2, 3, 317. Prime factorization of 3804 in exponential form is:

3804 = 22 × 31 × 3171

Prime Factorization of 3819

Prime factors of 3819 are 3, 19, 67. Prime factorization of 3819 in exponential form is:

3819 = 31 × 191 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 3804 and 3819.

LCM(3804,3819) = 22 × 31 × 3171 × 191 × 671
LCM(3804,3819) = 4842492