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What is the Least Common Multiple of 16856 and 16867?

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 16856 and 16867 is 284310152.

LCM(16856,16867) = 284310152

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Least Common Multiple of 16856 and 16867 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16856 and 16867, than apply into the LCM equation.

GCF(16856,16867) = 1
LCM(16856,16867) = ( 16856 × 16867) / 1
LCM(16856,16867) = 284310152 / 1
LCM(16856,16867) = 284310152

Least Common Multiple (LCM) of 16856 and 16867 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16856 and 16867. First we will calculate the prime factors of 16856 and 16867.

Prime Factorization of 16856

Prime factors of 16856 are 2, 7, 43. Prime factorization of 16856 in exponential form is:

16856 = 23 × 72 × 431

Prime Factorization of 16867

Prime factors of 16867 are 101, 167. Prime factorization of 16867 in exponential form is:

16867 = 1011 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 16856 and 16867.

LCM(16856,16867) = 23 × 72 × 431 × 1011 × 1671
LCM(16856,16867) = 284310152