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What is the Least Common Multiple of 16581 and 16591?

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 16581 and 16591 is 275095371.

LCM(16581,16591) = 275095371

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Least Common Multiple of 16581 and 16591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16581 and 16591, than apply into the LCM equation.

GCF(16581,16591) = 1
LCM(16581,16591) = ( 16581 × 16591) / 1
LCM(16581,16591) = 275095371 / 1
LCM(16581,16591) = 275095371

Least Common Multiple (LCM) of 16581 and 16591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16581 and 16591. First we will calculate the prime factors of 16581 and 16591.

Prime Factorization of 16581

Prime factors of 16581 are 3, 5527. Prime factorization of 16581 in exponential form is:

16581 = 31 × 55271

Prime Factorization of 16591

Prime factors of 16591 are 47, 353. Prime factorization of 16591 in exponential form is:

16591 = 471 × 3531

Now multiplying the highest exponent prime factors to calculate the LCM of 16581 and 16591.

LCM(16581,16591) = 31 × 55271 × 471 × 3531
LCM(16581,16591) = 275095371