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What is the Least Common Multiple of 40691 and 40704?

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 40691 and 40704 is 1656286464.

LCM(40691,40704) = 1656286464

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Least Common Multiple of 40691 and 40704 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40691 and 40704, than apply into the LCM equation.

GCF(40691,40704) = 1
LCM(40691,40704) = ( 40691 × 40704) / 1
LCM(40691,40704) = 1656286464 / 1
LCM(40691,40704) = 1656286464

Least Common Multiple (LCM) of 40691 and 40704 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40691 and 40704. First we will calculate the prime factors of 40691 and 40704.

Prime Factorization of 40691

Prime factors of 40691 are 7, 5813. Prime factorization of 40691 in exponential form is:

40691 = 71 × 58131

Prime Factorization of 40704

Prime factors of 40704 are 2, 3, 53. Prime factorization of 40704 in exponential form is:

40704 = 28 × 31 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 40691 and 40704.

LCM(40691,40704) = 71 × 58131 × 28 × 31 × 531
LCM(40691,40704) = 1656286464