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What is the Least Common Multiple of 55728 and 55736?

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 55728 and 55736 is 388256976.

LCM(55728,55736) = 388256976

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Least Common Multiple of 55728 and 55736 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55728 and 55736, than apply into the LCM equation.

GCF(55728,55736) = 8
LCM(55728,55736) = ( 55728 × 55736) / 8
LCM(55728,55736) = 3106055808 / 8
LCM(55728,55736) = 388256976

Least Common Multiple (LCM) of 55728 and 55736 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55728 and 55736. First we will calculate the prime factors of 55728 and 55736.

Prime Factorization of 55728

Prime factors of 55728 are 2, 3, 43. Prime factorization of 55728 in exponential form is:

55728 = 24 × 34 × 431

Prime Factorization of 55736

Prime factors of 55736 are 2, 6967. Prime factorization of 55736 in exponential form is:

55736 = 23 × 69671

Now multiplying the highest exponent prime factors to calculate the LCM of 55728 and 55736.

LCM(55728,55736) = 24 × 34 × 431 × 69671
LCM(55728,55736) = 388256976