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What is the Least Common Multiple of 43788 and 43803?

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 43788 and 43803 is 639348588.

LCM(43788,43803) = 639348588

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Least Common Multiple of 43788 and 43803 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43788 and 43803, than apply into the LCM equation.

GCF(43788,43803) = 3
LCM(43788,43803) = ( 43788 × 43803) / 3
LCM(43788,43803) = 1918045764 / 3
LCM(43788,43803) = 639348588

Least Common Multiple (LCM) of 43788 and 43803 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43788 and 43803. First we will calculate the prime factors of 43788 and 43803.

Prime Factorization of 43788

Prime factors of 43788 are 2, 3, 41, 89. Prime factorization of 43788 in exponential form is:

43788 = 22 × 31 × 411 × 891

Prime Factorization of 43803

Prime factors of 43803 are 3, 31, 157. Prime factorization of 43803 in exponential form is:

43803 = 32 × 311 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 43788 and 43803.

LCM(43788,43803) = 22 × 32 × 411 × 891 × 311 × 1571
LCM(43788,43803) = 639348588