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What is the Least Common Multiple of 4006 and 4012?

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 4006 and 4012 is 8036036.

LCM(4006,4012) = 8036036

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Least Common Multiple of 4006 and 4012 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4006 and 4012, than apply into the LCM equation.

GCF(4006,4012) = 2
LCM(4006,4012) = ( 4006 × 4012) / 2
LCM(4006,4012) = 16072072 / 2
LCM(4006,4012) = 8036036

Least Common Multiple (LCM) of 4006 and 4012 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4006 and 4012. First we will calculate the prime factors of 4006 and 4012.

Prime Factorization of 4006

Prime factors of 4006 are 2, 2003. Prime factorization of 4006 in exponential form is:

4006 = 21 × 20031

Prime Factorization of 4012

Prime factors of 4012 are 2, 17, 59. Prime factorization of 4012 in exponential form is:

4012 = 22 × 171 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 4006 and 4012.

LCM(4006,4012) = 22 × 20031 × 171 × 591
LCM(4006,4012) = 8036036