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What is the Least Common Multiple of 40291 and 40306?

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 40291 and 40306 is 1623969046.

LCM(40291,40306) = 1623969046

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Least Common Multiple of 40291 and 40306 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40291 and 40306, than apply into the LCM equation.

GCF(40291,40306) = 1
LCM(40291,40306) = ( 40291 × 40306) / 1
LCM(40291,40306) = 1623969046 / 1
LCM(40291,40306) = 1623969046

Least Common Multiple (LCM) of 40291 and 40306 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40291 and 40306. First we will calculate the prime factors of 40291 and 40306.

Prime Factorization of 40291

Prime factors of 40291 are 43, 937. Prime factorization of 40291 in exponential form is:

40291 = 431 × 9371

Prime Factorization of 40306

Prime factors of 40306 are 2, 7, 2879. Prime factorization of 40306 in exponential form is:

40306 = 21 × 71 × 28791

Now multiplying the highest exponent prime factors to calculate the LCM of 40291 and 40306.

LCM(40291,40306) = 431 × 9371 × 21 × 71 × 28791
LCM(40291,40306) = 1623969046