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What is the Least Common Multiple of 40659 and 40678?

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 40659 and 40678 is 1653926802.

LCM(40659,40678) = 1653926802

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Least Common Multiple of 40659 and 40678 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40659 and 40678, than apply into the LCM equation.

GCF(40659,40678) = 1
LCM(40659,40678) = ( 40659 × 40678) / 1
LCM(40659,40678) = 1653926802 / 1
LCM(40659,40678) = 1653926802

Least Common Multiple (LCM) of 40659 and 40678 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40659 and 40678. First we will calculate the prime factors of 40659 and 40678.

Prime Factorization of 40659

Prime factors of 40659 are 3, 13553. Prime factorization of 40659 in exponential form is:

40659 = 31 × 135531

Prime Factorization of 40678

Prime factors of 40678 are 2, 11, 43. Prime factorization of 40678 in exponential form is:

40678 = 21 × 111 × 432

Now multiplying the highest exponent prime factors to calculate the LCM of 40659 and 40678.

LCM(40659,40678) = 31 × 135531 × 21 × 111 × 432
LCM(40659,40678) = 1653926802