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What is the Least Common Multiple of 5728 and 5746?

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 5728 and 5746 is 16456544.

LCM(5728,5746) = 16456544

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Least Common Multiple of 5728 and 5746 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5728 and 5746, than apply into the LCM equation.

GCF(5728,5746) = 2
LCM(5728,5746) = ( 5728 × 5746) / 2
LCM(5728,5746) = 32913088 / 2
LCM(5728,5746) = 16456544

Least Common Multiple (LCM) of 5728 and 5746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5728 and 5746. First we will calculate the prime factors of 5728 and 5746.

Prime Factorization of 5728

Prime factors of 5728 are 2, 179. Prime factorization of 5728 in exponential form is:

5728 = 25 × 1791

Prime Factorization of 5746

Prime factors of 5746 are 2, 13, 17. Prime factorization of 5746 in exponential form is:

5746 = 21 × 132 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 5728 and 5746.

LCM(5728,5746) = 25 × 1791 × 132 × 171
LCM(5728,5746) = 16456544