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What is the Least Common Multiple of 54781 and 54800?

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 54781 and 54800 is 3001998800.

LCM(54781,54800) = 3001998800

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Least Common Multiple of 54781 and 54800 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54781 and 54800, than apply into the LCM equation.

GCF(54781,54800) = 1
LCM(54781,54800) = ( 54781 × 54800) / 1
LCM(54781,54800) = 3001998800 / 1
LCM(54781,54800) = 3001998800

Least Common Multiple (LCM) of 54781 and 54800 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54781 and 54800. First we will calculate the prime factors of 54781 and 54800.

Prime Factorization of 54781

Prime factors of 54781 are 29, 1889. Prime factorization of 54781 in exponential form is:

54781 = 291 × 18891

Prime Factorization of 54800

Prime factors of 54800 are 2, 5, 137. Prime factorization of 54800 in exponential form is:

54800 = 24 × 52 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 54781 and 54800.

LCM(54781,54800) = 291 × 18891 × 24 × 52 × 1371
LCM(54781,54800) = 3001998800