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What is the Least Common Multiple of 40385 and 40396?

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 40385 and 40396 is 1631392460.

LCM(40385,40396) = 1631392460

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Least Common Multiple of 40385 and 40396 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40385 and 40396, than apply into the LCM equation.

GCF(40385,40396) = 1
LCM(40385,40396) = ( 40385 × 40396) / 1
LCM(40385,40396) = 1631392460 / 1
LCM(40385,40396) = 1631392460

Least Common Multiple (LCM) of 40385 and 40396 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40385 and 40396. First we will calculate the prime factors of 40385 and 40396.

Prime Factorization of 40385

Prime factors of 40385 are 5, 41, 197. Prime factorization of 40385 in exponential form is:

40385 = 51 × 411 × 1971

Prime Factorization of 40396

Prime factors of 40396 are 2, 10099. Prime factorization of 40396 in exponential form is:

40396 = 22 × 100991

Now multiplying the highest exponent prime factors to calculate the LCM of 40385 and 40396.

LCM(40385,40396) = 51 × 411 × 1971 × 22 × 100991
LCM(40385,40396) = 1631392460