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What is the Least Common Multiple of 40906 and 40923?

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 40906 and 40923 is 1673996238.

LCM(40906,40923) = 1673996238

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Least Common Multiple of 40906 and 40923 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40906 and 40923, than apply into the LCM equation.

GCF(40906,40923) = 1
LCM(40906,40923) = ( 40906 × 40923) / 1
LCM(40906,40923) = 1673996238 / 1
LCM(40906,40923) = 1673996238

Least Common Multiple (LCM) of 40906 and 40923 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40906 and 40923. First we will calculate the prime factors of 40906 and 40923.

Prime Factorization of 40906

Prime factors of 40906 are 2, 113, 181. Prime factorization of 40906 in exponential form is:

40906 = 21 × 1131 × 1811

Prime Factorization of 40923

Prime factors of 40923 are 3, 4547. Prime factorization of 40923 in exponential form is:

40923 = 32 × 45471

Now multiplying the highest exponent prime factors to calculate the LCM of 40906 and 40923.

LCM(40906,40923) = 21 × 1131 × 1811 × 32 × 45471
LCM(40906,40923) = 1673996238