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What is the Least Common Multiple of 43791 and 43806?

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 43791 and 43806 is 639436182.

LCM(43791,43806) = 639436182

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Least Common Multiple of 43791 and 43806 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43791 and 43806, than apply into the LCM equation.

GCF(43791,43806) = 3
LCM(43791,43806) = ( 43791 × 43806) / 3
LCM(43791,43806) = 1918308546 / 3
LCM(43791,43806) = 639436182

Least Common Multiple (LCM) of 43791 and 43806 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43791 and 43806. First we will calculate the prime factors of 43791 and 43806.

Prime Factorization of 43791

Prime factors of 43791 are 3, 11, 1327. Prime factorization of 43791 in exponential form is:

43791 = 31 × 111 × 13271

Prime Factorization of 43806

Prime factors of 43806 are 2, 3, 7, 149. Prime factorization of 43806 in exponential form is:

43806 = 21 × 31 × 72 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 43791 and 43806.

LCM(43791,43806) = 31 × 111 × 13271 × 21 × 72 × 1491
LCM(43791,43806) = 639436182