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What is the Least Common Multiple of 40855 and 40872?

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 40855 and 40872 is 1669825560.

LCM(40855,40872) = 1669825560

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Least Common Multiple of 40855 and 40872 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40855 and 40872, than apply into the LCM equation.

GCF(40855,40872) = 1
LCM(40855,40872) = ( 40855 × 40872) / 1
LCM(40855,40872) = 1669825560 / 1
LCM(40855,40872) = 1669825560

Least Common Multiple (LCM) of 40855 and 40872 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40855 and 40872. First we will calculate the prime factors of 40855 and 40872.

Prime Factorization of 40855

Prime factors of 40855 are 5, 8171. Prime factorization of 40855 in exponential form is:

40855 = 51 × 81711

Prime Factorization of 40872

Prime factors of 40872 are 2, 3, 13, 131. Prime factorization of 40872 in exponential form is:

40872 = 23 × 31 × 131 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 40855 and 40872.

LCM(40855,40872) = 51 × 81711 × 23 × 31 × 131 × 1311
LCM(40855,40872) = 1669825560