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What is the Least Common Multiple of 18001 and 18006?

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 18001 and 18006 is 324126006.

LCM(18001,18006) = 324126006

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Least Common Multiple of 18001 and 18006 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18001 and 18006, than apply into the LCM equation.

GCF(18001,18006) = 1
LCM(18001,18006) = ( 18001 × 18006) / 1
LCM(18001,18006) = 324126006 / 1
LCM(18001,18006) = 324126006

Least Common Multiple (LCM) of 18001 and 18006 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18001 and 18006. First we will calculate the prime factors of 18001 and 18006.

Prime Factorization of 18001

Prime factors of 18001 are 47, 383. Prime factorization of 18001 in exponential form is:

18001 = 471 × 3831

Prime Factorization of 18006

Prime factors of 18006 are 2, 3, 3001. Prime factorization of 18006 in exponential form is:

18006 = 21 × 31 × 30011

Now multiplying the highest exponent prime factors to calculate the LCM of 18001 and 18006.

LCM(18001,18006) = 471 × 3831 × 21 × 31 × 30011
LCM(18001,18006) = 324126006