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What is the Least Common Multiple of 15833 and 15840?

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 15833 and 15840 is 250794720.

LCM(15833,15840) = 250794720

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Least Common Multiple of 15833 and 15840 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15833 and 15840, than apply into the LCM equation.

GCF(15833,15840) = 1
LCM(15833,15840) = ( 15833 × 15840) / 1
LCM(15833,15840) = 250794720 / 1
LCM(15833,15840) = 250794720

Least Common Multiple (LCM) of 15833 and 15840 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15833 and 15840. First we will calculate the prime factors of 15833 and 15840.

Prime Factorization of 15833

Prime factors of 15833 are 71, 223. Prime factorization of 15833 in exponential form is:

15833 = 711 × 2231

Prime Factorization of 15840

Prime factors of 15840 are 2, 3, 5, 11. Prime factorization of 15840 in exponential form is:

15840 = 25 × 32 × 51 × 111

Now multiplying the highest exponent prime factors to calculate the LCM of 15833 and 15840.

LCM(15833,15840) = 711 × 2231 × 25 × 32 × 51 × 111
LCM(15833,15840) = 250794720