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What is the Least Common Multiple of 40478 and 40484?

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 40478 and 40484 is 819355676.

LCM(40478,40484) = 819355676

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Least Common Multiple of 40478 and 40484 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40478 and 40484, than apply into the LCM equation.

GCF(40478,40484) = 2
LCM(40478,40484) = ( 40478 × 40484) / 2
LCM(40478,40484) = 1638711352 / 2
LCM(40478,40484) = 819355676

Least Common Multiple (LCM) of 40478 and 40484 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40478 and 40484. First we will calculate the prime factors of 40478 and 40484.

Prime Factorization of 40478

Prime factors of 40478 are 2, 37, 547. Prime factorization of 40478 in exponential form is:

40478 = 21 × 371 × 5471

Prime Factorization of 40484

Prime factors of 40484 are 2, 29, 349. Prime factorization of 40484 in exponential form is:

40484 = 22 × 291 × 3491

Now multiplying the highest exponent prime factors to calculate the LCM of 40478 and 40484.

LCM(40478,40484) = 22 × 371 × 5471 × 291 × 3491
LCM(40478,40484) = 819355676