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What is the Least Common Multiple of 43659 and 43668?

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 43659 and 43668 is 211833468.

LCM(43659,43668) = 211833468

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Least Common Multiple of 43659 and 43668 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43659 and 43668, than apply into the LCM equation.

GCF(43659,43668) = 9
LCM(43659,43668) = ( 43659 × 43668) / 9
LCM(43659,43668) = 1906501212 / 9
LCM(43659,43668) = 211833468

Least Common Multiple (LCM) of 43659 and 43668 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43659 and 43668. First we will calculate the prime factors of 43659 and 43668.

Prime Factorization of 43659

Prime factors of 43659 are 3, 7, 11. Prime factorization of 43659 in exponential form is:

43659 = 34 × 72 × 111

Prime Factorization of 43668

Prime factors of 43668 are 2, 3, 1213. Prime factorization of 43668 in exponential form is:

43668 = 22 × 32 × 12131

Now multiplying the highest exponent prime factors to calculate the LCM of 43659 and 43668.

LCM(43659,43668) = 34 × 72 × 111 × 22 × 12131
LCM(43659,43668) = 211833468