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What is the Least Common Multiple of 45728 and 45742?

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 45728 and 45742 is 1045845088.

LCM(45728,45742) = 1045845088

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Least Common Multiple of 45728 and 45742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45728 and 45742, than apply into the LCM equation.

GCF(45728,45742) = 2
LCM(45728,45742) = ( 45728 × 45742) / 2
LCM(45728,45742) = 2091690176 / 2
LCM(45728,45742) = 1045845088

Least Common Multiple (LCM) of 45728 and 45742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45728 and 45742. First we will calculate the prime factors of 45728 and 45742.

Prime Factorization of 45728

Prime factors of 45728 are 2, 1429. Prime factorization of 45728 in exponential form is:

45728 = 25 × 14291

Prime Factorization of 45742

Prime factors of 45742 are 2, 22871. Prime factorization of 45742 in exponential form is:

45742 = 21 × 228711

Now multiplying the highest exponent prime factors to calculate the LCM of 45728 and 45742.

LCM(45728,45742) = 25 × 14291 × 228711
LCM(45728,45742) = 1045845088