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What is the Least Common Multiple of 43899 and 43905?

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 43899 and 43905 is 642461865.

LCM(43899,43905) = 642461865

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Least Common Multiple of 43899 and 43905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43899 and 43905, than apply into the LCM equation.

GCF(43899,43905) = 3
LCM(43899,43905) = ( 43899 × 43905) / 3
LCM(43899,43905) = 1927385595 / 3
LCM(43899,43905) = 642461865

Least Common Multiple (LCM) of 43899 and 43905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43899 and 43905. First we will calculate the prime factors of 43899 and 43905.

Prime Factorization of 43899

Prime factors of 43899 are 3, 14633. Prime factorization of 43899 in exponential form is:

43899 = 31 × 146331

Prime Factorization of 43905

Prime factors of 43905 are 3, 5, 2927. Prime factorization of 43905 in exponential form is:

43905 = 31 × 51 × 29271

Now multiplying the highest exponent prime factors to calculate the LCM of 43899 and 43905.

LCM(43899,43905) = 31 × 146331 × 51 × 29271
LCM(43899,43905) = 642461865