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What is the Least Common Multiple of 2008 and 2012?

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 2008 and 2012 is 1010024.

LCM(2008,2012) = 1010024

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Least Common Multiple of 2008 and 2012 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2008 and 2012, than apply into the LCM equation.

GCF(2008,2012) = 4
LCM(2008,2012) = ( 2008 × 2012) / 4
LCM(2008,2012) = 4040096 / 4
LCM(2008,2012) = 1010024

Least Common Multiple (LCM) of 2008 and 2012 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2008 and 2012. First we will calculate the prime factors of 2008 and 2012.

Prime Factorization of 2008

Prime factors of 2008 are 2, 251. Prime factorization of 2008 in exponential form is:

2008 = 23 × 2511

Prime Factorization of 2012

Prime factors of 2012 are 2, 503. Prime factorization of 2012 in exponential form is:

2012 = 22 × 5031

Now multiplying the highest exponent prime factors to calculate the LCM of 2008 and 2012.

LCM(2008,2012) = 23 × 2511 × 5031
LCM(2008,2012) = 1010024