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What is the Least Common Multiple of 40068 and 40081?

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 40068 and 40081 is 1605965508.

LCM(40068,40081) = 1605965508

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Least Common Multiple of 40068 and 40081 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40068 and 40081, than apply into the LCM equation.

GCF(40068,40081) = 1
LCM(40068,40081) = ( 40068 × 40081) / 1
LCM(40068,40081) = 1605965508 / 1
LCM(40068,40081) = 1605965508

Least Common Multiple (LCM) of 40068 and 40081 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40068 and 40081. First we will calculate the prime factors of 40068 and 40081.

Prime Factorization of 40068

Prime factors of 40068 are 2, 3, 7, 53. Prime factorization of 40068 in exponential form is:

40068 = 22 × 33 × 71 × 531

Prime Factorization of 40081

Prime factors of 40081 are 149, 269. Prime factorization of 40081 in exponential form is:

40081 = 1491 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 40068 and 40081.

LCM(40068,40081) = 22 × 33 × 71 × 531 × 1491 × 2691
LCM(40068,40081) = 1605965508