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What is the Least Common Multiple of 10809 and 10819?

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 10809 and 10819 is 116942571.

LCM(10809,10819) = 116942571

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Least Common Multiple of 10809 and 10819 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10809 and 10819, than apply into the LCM equation.

GCF(10809,10819) = 1
LCM(10809,10819) = ( 10809 × 10819) / 1
LCM(10809,10819) = 116942571 / 1
LCM(10809,10819) = 116942571

Least Common Multiple (LCM) of 10809 and 10819 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10809 and 10819. First we will calculate the prime factors of 10809 and 10819.

Prime Factorization of 10809

Prime factors of 10809 are 3, 1201. Prime factorization of 10809 in exponential form is:

10809 = 32 × 12011

Prime Factorization of 10819

Prime factors of 10819 are 31, 349. Prime factorization of 10819 in exponential form is:

10819 = 311 × 3491

Now multiplying the highest exponent prime factors to calculate the LCM of 10809 and 10819.

LCM(10809,10819) = 32 × 12011 × 311 × 3491
LCM(10809,10819) = 116942571