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What is the Least Common Multiple of 57728 and 57746?

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 57746 is 1666780544.

LCM(57728,57746) = 1666780544

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Least Common Multiple of 57728 and 57746 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 57746, than apply into the LCM equation.

GCF(57728,57746) = 2
LCM(57728,57746) = ( 57728 × 57746) / 2
LCM(57728,57746) = 3333561088 / 2
LCM(57728,57746) = 1666780544

Least Common Multiple (LCM) of 57728 and 57746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57728 and 57746. First we will calculate the prime factors of 57728 and 57746.

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 57746

Prime factors of 57746 are 2, 13, 2221. Prime factorization of 57746 in exponential form is:

57746 = 21 × 131 × 22211

Now multiplying the highest exponent prime factors to calculate the LCM of 57728 and 57746.

LCM(57728,57746) = 27 × 111 × 411 × 131 × 22211
LCM(57728,57746) = 1666780544