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What is the Least Common Multiple of 16906 and 16918?

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 16906 and 16918 is 143007854.

LCM(16906,16918) = 143007854

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Least Common Multiple of 16906 and 16918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16906 and 16918, than apply into the LCM equation.

GCF(16906,16918) = 2
LCM(16906,16918) = ( 16906 × 16918) / 2
LCM(16906,16918) = 286015708 / 2
LCM(16906,16918) = 143007854

Least Common Multiple (LCM) of 16906 and 16918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16906 and 16918. First we will calculate the prime factors of 16906 and 16918.

Prime Factorization of 16906

Prime factors of 16906 are 2, 79, 107. Prime factorization of 16906 in exponential form is:

16906 = 21 × 791 × 1071

Prime Factorization of 16918

Prime factors of 16918 are 2, 11, 769. Prime factorization of 16918 in exponential form is:

16918 = 21 × 111 × 7691

Now multiplying the highest exponent prime factors to calculate the LCM of 16906 and 16918.

LCM(16906,16918) = 21 × 791 × 1071 × 111 × 7691
LCM(16906,16918) = 143007854