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What is the Least Common Multiple of 40854 and 40865?

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 40854 and 40865 is 151772610.

LCM(40854,40865) = 151772610

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Least Common Multiple of 40854 and 40865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40854 and 40865, than apply into the LCM equation.

GCF(40854,40865) = 11
LCM(40854,40865) = ( 40854 × 40865) / 11
LCM(40854,40865) = 1669498710 / 11
LCM(40854,40865) = 151772610

Least Common Multiple (LCM) of 40854 and 40865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40854 and 40865. First we will calculate the prime factors of 40854 and 40865.

Prime Factorization of 40854

Prime factors of 40854 are 2, 3, 11, 619. Prime factorization of 40854 in exponential form is:

40854 = 21 × 31 × 111 × 6191

Prime Factorization of 40865

Prime factors of 40865 are 5, 11, 743. Prime factorization of 40865 in exponential form is:

40865 = 51 × 111 × 7431

Now multiplying the highest exponent prime factors to calculate the LCM of 40854 and 40865.

LCM(40854,40865) = 21 × 31 × 111 × 6191 × 51 × 7431
LCM(40854,40865) = 151772610