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What is the Least Common Multiple of 43872 and 43885?

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 43872 and 43885 is 1925322720.

LCM(43872,43885) = 1925322720

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Least Common Multiple of 43872 and 43885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43872 and 43885, than apply into the LCM equation.

GCF(43872,43885) = 1
LCM(43872,43885) = ( 43872 × 43885) / 1
LCM(43872,43885) = 1925322720 / 1
LCM(43872,43885) = 1925322720

Least Common Multiple (LCM) of 43872 and 43885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43872 and 43885. First we will calculate the prime factors of 43872 and 43885.

Prime Factorization of 43872

Prime factors of 43872 are 2, 3, 457. Prime factorization of 43872 in exponential form is:

43872 = 25 × 31 × 4571

Prime Factorization of 43885

Prime factors of 43885 are 5, 67, 131. Prime factorization of 43885 in exponential form is:

43885 = 51 × 671 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 43872 and 43885.

LCM(43872,43885) = 25 × 31 × 4571 × 51 × 671 × 1311
LCM(43872,43885) = 1925322720