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What is the Least Common Multiple of 57728 and 57747?

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 57728 and 57747 is 3333618816.

LCM(57728,57747) = 3333618816

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Least Common Multiple of 57728 and 57747 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57728 and 57747, than apply into the LCM equation.

GCF(57728,57747) = 1
LCM(57728,57747) = ( 57728 × 57747) / 1
LCM(57728,57747) = 3333618816 / 1
LCM(57728,57747) = 3333618816

Least Common Multiple (LCM) of 57728 and 57747 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57728 and 57747. First we will calculate the prime factors of 57728 and 57747.

Prime Factorization of 57728

Prime factors of 57728 are 2, 11, 41. Prime factorization of 57728 in exponential form is:

57728 = 27 × 111 × 411

Prime Factorization of 57747

Prime factors of 57747 are 3, 19249. Prime factorization of 57747 in exponential form is:

57747 = 31 × 192491

Now multiplying the highest exponent prime factors to calculate the LCM of 57728 and 57747.

LCM(57728,57747) = 27 × 111 × 411 × 31 × 192491
LCM(57728,57747) = 3333618816