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What is the Least Common Multiple of 992 and 1009?

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 1009 is 1000928.

LCM(992,1009) = 1000928

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Least Common Multiple of 992 and 1009 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 1009, than apply into the LCM equation.

GCF(992,1009) = 1
LCM(992,1009) = ( 992 × 1009) / 1
LCM(992,1009) = 1000928 / 1
LCM(992,1009) = 1000928

Least Common Multiple (LCM) of 992 and 1009 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 992 and 1009. First we will calculate the prime factors of 992 and 1009.

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 1009

Prime factors of 1009 are 1009. Prime factorization of 1009 in exponential form is:

1009 = 10091

Now multiplying the highest exponent prime factors to calculate the LCM of 992 and 1009.

LCM(992,1009) = 25 × 311 × 10091
LCM(992,1009) = 1000928