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What is the Least Common Multiple of 43388 and 43405?

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 43388 and 43405 is 1883256140.

LCM(43388,43405) = 1883256140

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Least Common Multiple of 43388 and 43405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43388 and 43405, than apply into the LCM equation.

GCF(43388,43405) = 1
LCM(43388,43405) = ( 43388 × 43405) / 1
LCM(43388,43405) = 1883256140 / 1
LCM(43388,43405) = 1883256140

Least Common Multiple (LCM) of 43388 and 43405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43388 and 43405. First we will calculate the prime factors of 43388 and 43405.

Prime Factorization of 43388

Prime factors of 43388 are 2, 10847. Prime factorization of 43388 in exponential form is:

43388 = 22 × 108471

Prime Factorization of 43405

Prime factors of 43405 are 5, 8681. Prime factorization of 43405 in exponential form is:

43405 = 51 × 86811

Now multiplying the highest exponent prime factors to calculate the LCM of 43388 and 43405.

LCM(43388,43405) = 22 × 108471 × 51 × 86811
LCM(43388,43405) = 1883256140