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What is the Least Common Multiple of 16540 and 16549?

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 16540 and 16549 is 273720460.

LCM(16540,16549) = 273720460

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Least Common Multiple of 16540 and 16549 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16540 and 16549, than apply into the LCM equation.

GCF(16540,16549) = 1
LCM(16540,16549) = ( 16540 × 16549) / 1
LCM(16540,16549) = 273720460 / 1
LCM(16540,16549) = 273720460

Least Common Multiple (LCM) of 16540 and 16549 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16540 and 16549. First we will calculate the prime factors of 16540 and 16549.

Prime Factorization of 16540

Prime factors of 16540 are 2, 5, 827. Prime factorization of 16540 in exponential form is:

16540 = 22 × 51 × 8271

Prime Factorization of 16549

Prime factors of 16549 are 13, 19, 67. Prime factorization of 16549 in exponential form is:

16549 = 131 × 191 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 16540 and 16549.

LCM(16540,16549) = 22 × 51 × 8271 × 131 × 191 × 671
LCM(16540,16549) = 273720460