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What is the Least Common Multiple of 43742 and 43749?

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 43742 and 43749 is 1913668758.

LCM(43742,43749) = 1913668758

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Least Common Multiple of 43742 and 43749 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43742 and 43749, than apply into the LCM equation.

GCF(43742,43749) = 1
LCM(43742,43749) = ( 43742 × 43749) / 1
LCM(43742,43749) = 1913668758 / 1
LCM(43742,43749) = 1913668758

Least Common Multiple (LCM) of 43742 and 43749 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43742 and 43749. First we will calculate the prime factors of 43742 and 43749.

Prime Factorization of 43742

Prime factors of 43742 are 2, 21871. Prime factorization of 43742 in exponential form is:

43742 = 21 × 218711

Prime Factorization of 43749

Prime factors of 43749 are 3, 4861. Prime factorization of 43749 in exponential form is:

43749 = 32 × 48611

Now multiplying the highest exponent prime factors to calculate the LCM of 43742 and 43749.

LCM(43742,43749) = 21 × 218711 × 32 × 48611
LCM(43742,43749) = 1913668758