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What is the Least Common Multiple of 43671 and 43686?

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 43671 and 43686 is 635937102.

LCM(43671,43686) = 635937102

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Least Common Multiple of 43671 and 43686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43671 and 43686, than apply into the LCM equation.

GCF(43671,43686) = 3
LCM(43671,43686) = ( 43671 × 43686) / 3
LCM(43671,43686) = 1907811306 / 3
LCM(43671,43686) = 635937102

Least Common Multiple (LCM) of 43671 and 43686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43671 and 43686. First we will calculate the prime factors of 43671 and 43686.

Prime Factorization of 43671

Prime factors of 43671 are 3, 14557. Prime factorization of 43671 in exponential form is:

43671 = 31 × 145571

Prime Factorization of 43686

Prime factors of 43686 are 2, 3, 809. Prime factorization of 43686 in exponential form is:

43686 = 21 × 33 × 8091

Now multiplying the highest exponent prime factors to calculate the LCM of 43671 and 43686.

LCM(43671,43686) = 33 × 145571 × 21 × 8091
LCM(43671,43686) = 635937102