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What is the Least Common Multiple of 46784 and 46790?

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 46784 and 46790 is 1094511680.

LCM(46784,46790) = 1094511680

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Least Common Multiple of 46784 and 46790 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 46784 and 46790, than apply into the LCM equation.

GCF(46784,46790) = 2
LCM(46784,46790) = ( 46784 × 46790) / 2
LCM(46784,46790) = 2189023360 / 2
LCM(46784,46790) = 1094511680

Least Common Multiple (LCM) of 46784 and 46790 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 46784 and 46790. First we will calculate the prime factors of 46784 and 46790.

Prime Factorization of 46784

Prime factors of 46784 are 2, 17, 43. Prime factorization of 46784 in exponential form is:

46784 = 26 × 171 × 431

Prime Factorization of 46790

Prime factors of 46790 are 2, 5, 4679. Prime factorization of 46790 in exponential form is:

46790 = 21 × 51 × 46791

Now multiplying the highest exponent prime factors to calculate the LCM of 46784 and 46790.

LCM(46784,46790) = 26 × 171 × 431 × 51 × 46791
LCM(46784,46790) = 1094511680