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What is the Least Common Multiple of 43746 and 43755?

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 43746 and 43755 is 638035410.

LCM(43746,43755) = 638035410

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Least Common Multiple of 43746 and 43755 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43746 and 43755, than apply into the LCM equation.

GCF(43746,43755) = 3
LCM(43746,43755) = ( 43746 × 43755) / 3
LCM(43746,43755) = 1914106230 / 3
LCM(43746,43755) = 638035410

Least Common Multiple (LCM) of 43746 and 43755 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43746 and 43755. First we will calculate the prime factors of 43746 and 43755.

Prime Factorization of 43746

Prime factors of 43746 are 2, 3, 23, 317. Prime factorization of 43746 in exponential form is:

43746 = 21 × 31 × 231 × 3171

Prime Factorization of 43755

Prime factors of 43755 are 3, 5, 2917. Prime factorization of 43755 in exponential form is:

43755 = 31 × 51 × 29171

Now multiplying the highest exponent prime factors to calculate the LCM of 43746 and 43755.

LCM(43746,43755) = 21 × 31 × 231 × 3171 × 51 × 29171
LCM(43746,43755) = 638035410