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What is the Least Common Multiple of 16896 and 16906?

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 16896 and 16906 is 142821888.

LCM(16896,16906) = 142821888

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Least Common Multiple of 16896 and 16906 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16896 and 16906, than apply into the LCM equation.

GCF(16896,16906) = 2
LCM(16896,16906) = ( 16896 × 16906) / 2
LCM(16896,16906) = 285643776 / 2
LCM(16896,16906) = 142821888

Least Common Multiple (LCM) of 16896 and 16906 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16896 and 16906. First we will calculate the prime factors of 16896 and 16906.

Prime Factorization of 16896

Prime factors of 16896 are 2, 3, 11. Prime factorization of 16896 in exponential form is:

16896 = 29 × 31 × 111

Prime Factorization of 16906

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

16906 = 21 × 791 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 16896 and 16906.

LCM(16896,16906) = 29 × 31 × 111 × 791 × 1071
LCM(16896,16906) = 142821888