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What is the Least Common Multiple of 1783 and 1799?

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 1783 and 1799 is 3207617.

LCM(1783,1799) = 3207617

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Least Common Multiple of 1783 and 1799 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1783 and 1799, than apply into the LCM equation.

GCF(1783,1799) = 1
LCM(1783,1799) = ( 1783 × 1799) / 1
LCM(1783,1799) = 3207617 / 1
LCM(1783,1799) = 3207617

Least Common Multiple (LCM) of 1783 and 1799 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1783 and 1799. First we will calculate the prime factors of 1783 and 1799.

Prime Factorization of 1783

Prime factors of 1783 are 1783. Prime factorization of 1783 in exponential form is:

1783 = 17831

Prime Factorization of 1799

Prime factors of 1799 are 7, 257. Prime factorization of 1799 in exponential form is:

1799 = 71 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 1783 and 1799.

LCM(1783,1799) = 17831 × 71 × 2571
LCM(1783,1799) = 3207617