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What is the Least Common Multiple of 999 and 1006?

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 999 and 1006 is 1004994.

LCM(999,1006) = 1004994

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Least Common Multiple of 999 and 1006 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 999 and 1006, than apply into the LCM equation.

GCF(999,1006) = 1
LCM(999,1006) = ( 999 × 1006) / 1
LCM(999,1006) = 1004994 / 1
LCM(999,1006) = 1004994

Least Common Multiple (LCM) of 999 and 1006 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 999 and 1006. First we will calculate the prime factors of 999 and 1006.

Prime Factorization of 999

Prime factors of 999 are 3, 37. Prime factorization of 999 in exponential form is:

999 = 33 × 371

Prime Factorization of 1006

Prime factors of 1006 are 2, 503. Prime factorization of 1006 in exponential form is:

1006 = 21 × 5031

Now multiplying the highest exponent prime factors to calculate the LCM of 999 and 1006.

LCM(999,1006) = 33 × 371 × 21 × 5031
LCM(999,1006) = 1004994