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What is the Least Common Multiple of 1824 and 1828?

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 1824 and 1828 is 833568.

LCM(1824,1828) = 833568

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Least Common Multiple of 1824 and 1828 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1824 and 1828, than apply into the LCM equation.

GCF(1824,1828) = 4
LCM(1824,1828) = ( 1824 × 1828) / 4
LCM(1824,1828) = 3334272 / 4
LCM(1824,1828) = 833568

Least Common Multiple (LCM) of 1824 and 1828 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1824 and 1828. First we will calculate the prime factors of 1824 and 1828.

Prime Factorization of 1824

Prime factors of 1824 are 2, 3, 19. Prime factorization of 1824 in exponential form is:

1824 = 25 × 31 × 191

Prime Factorization of 1828

Prime factors of 1828 are 2, 457. Prime factorization of 1828 in exponential form is:

1828 = 22 × 4571

Now multiplying the highest exponent prime factors to calculate the LCM of 1824 and 1828.

LCM(1824,1828) = 25 × 31 × 191 × 4571
LCM(1824,1828) = 833568