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What is the Least Common Multiple of 40478 and 40483?

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 40483 is 1638670874.

LCM(40478,40483) = 1638670874

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Least Common Multiple of 40478 and 40483 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 40483, than apply into the LCM equation.

GCF(40478,40483) = 1
LCM(40478,40483) = ( 40478 × 40483) / 1
LCM(40478,40483) = 1638670874 / 1
LCM(40478,40483) = 1638670874

Least Common Multiple (LCM) of 40478 and 40483 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40478 and 40483. First we will calculate the prime factors of 40478 and 40483.

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 40483

Prime factors of 40483 are 40483. Prime factorization of 40483 in exponential form is:

40483 = 404831

Now multiplying the highest exponent prime factors to calculate the LCM of 40478 and 40483.

LCM(40478,40483) = 21 × 371 × 5471 × 404831
LCM(40478,40483) = 1638670874