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What is the Least Common Multiple of 40605 and 40623?

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 40605 and 40623 is 549832305.

LCM(40605,40623) = 549832305

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Least Common Multiple of 40605 and 40623 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40605 and 40623, than apply into the LCM equation.

GCF(40605,40623) = 3
LCM(40605,40623) = ( 40605 × 40623) / 3
LCM(40605,40623) = 1649496915 / 3
LCM(40605,40623) = 549832305

Least Common Multiple (LCM) of 40605 and 40623 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40605 and 40623. First we will calculate the prime factors of 40605 and 40623.

Prime Factorization of 40605

Prime factors of 40605 are 3, 5, 2707. Prime factorization of 40605 in exponential form is:

40605 = 31 × 51 × 27071

Prime Factorization of 40623

Prime factors of 40623 are 3, 11, 1231. Prime factorization of 40623 in exponential form is:

40623 = 31 × 111 × 12311

Now multiplying the highest exponent prime factors to calculate the LCM of 40605 and 40623.

LCM(40605,40623) = 31 × 51 × 27071 × 111 × 12311
LCM(40605,40623) = 549832305