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What is the Least Common Multiple of 993 and 999?

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 993 and 999 is 330669.

LCM(993,999) = 330669

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Least Common Multiple of 993 and 999 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 993 and 999, than apply into the LCM equation.

GCF(993,999) = 3
LCM(993,999) = ( 993 × 999) / 3
LCM(993,999) = 992007 / 3
LCM(993,999) = 330669

Least Common Multiple (LCM) of 993 and 999 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 993 and 999. First we will calculate the prime factors of 993 and 999.

Prime Factorization of 993

Prime factors of 993 are 3, 331. Prime factorization of 993 in exponential form is:

993 = 31 × 3311

Prime Factorization of 999

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

999 = 33 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 993 and 999.

LCM(993,999) = 33 × 3311 × 371
LCM(993,999) = 330669