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What is the Least Common Multiple of 40071 and 40089?

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 40071 and 40089 is 535468773.

LCM(40071,40089) = 535468773

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Least Common Multiple of 40071 and 40089 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40071 and 40089, than apply into the LCM equation.

GCF(40071,40089) = 3
LCM(40071,40089) = ( 40071 × 40089) / 3
LCM(40071,40089) = 1606406319 / 3
LCM(40071,40089) = 535468773

Least Common Multiple (LCM) of 40071 and 40089 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40071 and 40089. First we will calculate the prime factors of 40071 and 40089.

Prime Factorization of 40071

Prime factors of 40071 are 3, 19, 37. Prime factorization of 40071 in exponential form is:

40071 = 31 × 192 × 371

Prime Factorization of 40089

Prime factors of 40089 are 3, 7, 23, 83. Prime factorization of 40089 in exponential form is:

40089 = 31 × 71 × 231 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 40071 and 40089.

LCM(40071,40089) = 31 × 192 × 371 × 71 × 231 × 831
LCM(40071,40089) = 535468773