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What is the Least Common Multiple of 18170 and 18183?

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 18170 and 18183 is 330385110.

LCM(18170,18183) = 330385110

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Least Common Multiple of 18170 and 18183 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18170 and 18183, than apply into the LCM equation.

GCF(18170,18183) = 1
LCM(18170,18183) = ( 18170 × 18183) / 1
LCM(18170,18183) = 330385110 / 1
LCM(18170,18183) = 330385110

Least Common Multiple (LCM) of 18170 and 18183 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18170 and 18183. First we will calculate the prime factors of 18170 and 18183.

Prime Factorization of 18170

Prime factors of 18170 are 2, 5, 23, 79. Prime factorization of 18170 in exponential form is:

18170 = 21 × 51 × 231 × 791

Prime Factorization of 18183

Prime factors of 18183 are 3, 11, 19, 29. Prime factorization of 18183 in exponential form is:

18183 = 31 × 111 × 191 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 18170 and 18183.

LCM(18170,18183) = 21 × 51 × 231 × 791 × 31 × 111 × 191 × 291
LCM(18170,18183) = 330385110