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What is the Least Common Multiple of 992 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 992 and 999 is 991008.

LCM(992,999) = 991008

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Least Common Multiple of 992 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 992 and 999, than apply into the LCM equation.

GCF(992,999) = 1
LCM(992,999) = ( 992 × 999) / 1
LCM(992,999) = 991008 / 1
LCM(992,999) = 991008

Least Common Multiple (LCM) of 992 and 999 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 992 and 999. First we will calculate the prime factors of 992 and 999.

Prime Factorization of 992

Prime factors of 992 are 2, 31. Prime factorization of 992 in exponential form is:

992 = 25 × 311

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 992 and 999.

LCM(992,999) = 25 × 311 × 33 × 371
LCM(992,999) = 991008