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What is the Least Common Multiple of 16568 and 16581?

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 16568 and 16581 is 274714008.

LCM(16568,16581) = 274714008

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Least Common Multiple of 16568 and 16581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16568 and 16581, than apply into the LCM equation.

GCF(16568,16581) = 1
LCM(16568,16581) = ( 16568 × 16581) / 1
LCM(16568,16581) = 274714008 / 1
LCM(16568,16581) = 274714008

Least Common Multiple (LCM) of 16568 and 16581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16568 and 16581. First we will calculate the prime factors of 16568 and 16581.

Prime Factorization of 16568

Prime factors of 16568 are 2, 19, 109. Prime factorization of 16568 in exponential form is:

16568 = 23 × 191 × 1091

Prime Factorization of 16581

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

16581 = 31 × 55271

Now multiplying the highest exponent prime factors to calculate the LCM of 16568 and 16581.

LCM(16568,16581) = 23 × 191 × 1091 × 31 × 55271
LCM(16568,16581) = 274714008