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What is the Least Common Multiple of 51170 and 51187?

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 51170 and 51187 is 154072870.

LCM(51170,51187) = 154072870

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Least Common Multiple of 51170 and 51187 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51170 and 51187, than apply into the LCM equation.

GCF(51170,51187) = 17
LCM(51170,51187) = ( 51170 × 51187) / 17
LCM(51170,51187) = 2619238790 / 17
LCM(51170,51187) = 154072870

Least Common Multiple (LCM) of 51170 and 51187 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51170 and 51187. First we will calculate the prime factors of 51170 and 51187.

Prime Factorization of 51170

Prime factors of 51170 are 2, 5, 7, 17, 43. Prime factorization of 51170 in exponential form is:

51170 = 21 × 51 × 71 × 171 × 431

Prime Factorization of 51187

Prime factors of 51187 are 17, 3011. Prime factorization of 51187 in exponential form is:

51187 = 171 × 30111

Now multiplying the highest exponent prime factors to calculate the LCM of 51170 and 51187.

LCM(51170,51187) = 21 × 51 × 71 × 171 × 431 × 30111
LCM(51170,51187) = 154072870