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What is the Least Common Multiple of 808 and 819?

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 808 and 819 is 661752.

LCM(808,819) = 661752

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Least Common Multiple of 808 and 819 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 808 and 819, than apply into the LCM equation.

GCF(808,819) = 1
LCM(808,819) = ( 808 × 819) / 1
LCM(808,819) = 661752 / 1
LCM(808,819) = 661752

Least Common Multiple (LCM) of 808 and 819 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 808 and 819. First we will calculate the prime factors of 808 and 819.

Prime Factorization of 808

Prime factors of 808 are 2, 101. Prime factorization of 808 in exponential form is:

808 = 23 × 1011

Prime Factorization of 819

Prime factors of 819 are 3, 7, 13. Prime factorization of 819 in exponential form is:

819 = 32 × 71 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 808 and 819.

LCM(808,819) = 23 × 1011 × 32 × 71 × 131
LCM(808,819) = 661752