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What is the Least Common Multiple of 1673 and 1683?

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 1673 and 1683 is 2815659.

LCM(1673,1683) = 2815659

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Least Common Multiple of 1673 and 1683 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1673 and 1683, than apply into the LCM equation.

GCF(1673,1683) = 1
LCM(1673,1683) = ( 1673 × 1683) / 1
LCM(1673,1683) = 2815659 / 1
LCM(1673,1683) = 2815659

Least Common Multiple (LCM) of 1673 and 1683 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1673 and 1683. First we will calculate the prime factors of 1673 and 1683.

Prime Factorization of 1673

Prime factors of 1673 are 7, 239. Prime factorization of 1673 in exponential form is:

1673 = 71 × 2391

Prime Factorization of 1683

Prime factors of 1683 are 3, 11, 17. Prime factorization of 1683 in exponential form is:

1683 = 32 × 111 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 1673 and 1683.

LCM(1673,1683) = 71 × 2391 × 32 × 111 × 171
LCM(1673,1683) = 2815659