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What is the Least Common Multiple of 40424 and 40436?

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 40424 and 40436 is 408646216.

LCM(40424,40436) = 408646216

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Least Common Multiple of 40424 and 40436 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40424 and 40436, than apply into the LCM equation.

GCF(40424,40436) = 4
LCM(40424,40436) = ( 40424 × 40436) / 4
LCM(40424,40436) = 1634584864 / 4
LCM(40424,40436) = 408646216

Least Common Multiple (LCM) of 40424 and 40436 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40424 and 40436. First we will calculate the prime factors of 40424 and 40436.

Prime Factorization of 40424

Prime factors of 40424 are 2, 31, 163. Prime factorization of 40424 in exponential form is:

40424 = 23 × 311 × 1631

Prime Factorization of 40436

Prime factors of 40436 are 2, 11, 919. Prime factorization of 40436 in exponential form is:

40436 = 22 × 111 × 9191

Now multiplying the highest exponent prime factors to calculate the LCM of 40424 and 40436.

LCM(40424,40436) = 23 × 311 × 1631 × 111 × 9191
LCM(40424,40436) = 408646216