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What is the Least Common Multiple of 1819 and 1827?

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 1819 and 1827 is 3323313.

LCM(1819,1827) = 3323313

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Least Common Multiple of 1819 and 1827 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1819 and 1827, than apply into the LCM equation.

GCF(1819,1827) = 1
LCM(1819,1827) = ( 1819 × 1827) / 1
LCM(1819,1827) = 3323313 / 1
LCM(1819,1827) = 3323313

Least Common Multiple (LCM) of 1819 and 1827 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1819 and 1827. First we will calculate the prime factors of 1819 and 1827.

Prime Factorization of 1819

Prime factors of 1819 are 17, 107. Prime factorization of 1819 in exponential form is:

1819 = 171 × 1071

Prime Factorization of 1827

Prime factors of 1827 are 3, 7, 29. Prime factorization of 1827 in exponential form is:

1827 = 32 × 71 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 1819 and 1827.

LCM(1819,1827) = 171 × 1071 × 32 × 71 × 291
LCM(1819,1827) = 3323313