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What is the Least Common Multiple of 40531 and 40549?

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 40531 and 40549 is 1643491519.

LCM(40531,40549) = 1643491519

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Least Common Multiple of 40531 and 40549 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40531 and 40549, than apply into the LCM equation.

GCF(40531,40549) = 1
LCM(40531,40549) = ( 40531 × 40549) / 1
LCM(40531,40549) = 1643491519 / 1
LCM(40531,40549) = 1643491519

Least Common Multiple (LCM) of 40531 and 40549 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40531 and 40549. First we will calculate the prime factors of 40531 and 40549.

Prime Factorization of 40531

Prime factors of 40531 are 40531. Prime factorization of 40531 in exponential form is:

40531 = 405311

Prime Factorization of 40549

Prime factors of 40549 are 23, 41, 43. Prime factorization of 40549 in exponential form is:

40549 = 231 × 411 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 40531 and 40549.

LCM(40531,40549) = 405311 × 231 × 411 × 431
LCM(40531,40549) = 1643491519