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What is the Least Common Multiple of 40398 and 40414?

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 40398 and 40414 is 816322386.

LCM(40398,40414) = 816322386

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Least Common Multiple of 40398 and 40414 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40398 and 40414, than apply into the LCM equation.

GCF(40398,40414) = 2
LCM(40398,40414) = ( 40398 × 40414) / 2
LCM(40398,40414) = 1632644772 / 2
LCM(40398,40414) = 816322386

Least Common Multiple (LCM) of 40398 and 40414 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40398 and 40414. First we will calculate the prime factors of 40398 and 40414.

Prime Factorization of 40398

Prime factors of 40398 are 2, 3, 6733. Prime factorization of 40398 in exponential form is:

40398 = 21 × 31 × 67331

Prime Factorization of 40414

Prime factors of 40414 are 2, 11, 167. Prime factorization of 40414 in exponential form is:

40414 = 21 × 112 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 40398 and 40414.

LCM(40398,40414) = 21 × 31 × 67331 × 112 × 1671
LCM(40398,40414) = 816322386