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What is the Least Common Multiple of 1807 and 1823?

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 1807 and 1823 is 3294161.

LCM(1807,1823) = 3294161

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Least Common Multiple of 1807 and 1823 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1807 and 1823, than apply into the LCM equation.

GCF(1807,1823) = 1
LCM(1807,1823) = ( 1807 × 1823) / 1
LCM(1807,1823) = 3294161 / 1
LCM(1807,1823) = 3294161

Least Common Multiple (LCM) of 1807 and 1823 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1807 and 1823. First we will calculate the prime factors of 1807 and 1823.

Prime Factorization of 1807

Prime factors of 1807 are 13, 139. Prime factorization of 1807 in exponential form is:

1807 = 131 × 1391

Prime Factorization of 1823

Prime factors of 1823 are 1823. Prime factorization of 1823 in exponential form is:

1823 = 18231

Now multiplying the highest exponent prime factors to calculate the LCM of 1807 and 1823.

LCM(1807,1823) = 131 × 1391 × 18231
LCM(1807,1823) = 3294161