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What is the Least Common Multiple of 28793 and 28800?

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 28793 and 28800 is 829238400.

LCM(28793,28800) = 829238400

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Least Common Multiple of 28793 and 28800 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28793 and 28800, than apply into the LCM equation.

GCF(28793,28800) = 1
LCM(28793,28800) = ( 28793 × 28800) / 1
LCM(28793,28800) = 829238400 / 1
LCM(28793,28800) = 829238400

Least Common Multiple (LCM) of 28793 and 28800 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28793 and 28800. First we will calculate the prime factors of 28793 and 28800.

Prime Factorization of 28793

Prime factors of 28793 are 28793. Prime factorization of 28793 in exponential form is:

28793 = 287931

Prime Factorization of 28800

Prime factors of 28800 are 2, 3, 5. Prime factorization of 28800 in exponential form is:

28800 = 27 × 32 × 52

Now multiplying the highest exponent prime factors to calculate the LCM of 28793 and 28800.

LCM(28793,28800) = 287931 × 27 × 32 × 52
LCM(28793,28800) = 829238400