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What is the Least Common Multiple of 16938 and 16955?

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 16938 and 16955 is 287183790.

LCM(16938,16955) = 287183790

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Least Common Multiple of 16938 and 16955 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16938 and 16955, than apply into the LCM equation.

GCF(16938,16955) = 1
LCM(16938,16955) = ( 16938 × 16955) / 1
LCM(16938,16955) = 287183790 / 1
LCM(16938,16955) = 287183790

Least Common Multiple (LCM) of 16938 and 16955 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16938 and 16955. First we will calculate the prime factors of 16938 and 16955.

Prime Factorization of 16938

Prime factors of 16938 are 2, 3, 941. Prime factorization of 16938 in exponential form is:

16938 = 21 × 32 × 9411

Prime Factorization of 16955

Prime factors of 16955 are 5, 3391. Prime factorization of 16955 in exponential form is:

16955 = 51 × 33911

Now multiplying the highest exponent prime factors to calculate the LCM of 16938 and 16955.

LCM(16938,16955) = 21 × 32 × 9411 × 51 × 33911
LCM(16938,16955) = 287183790