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What is the Least Common Multiple of 51170 and 51189?

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 51189 is 2619341130.

LCM(51170,51189) = 2619341130

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Least Common Multiple of 51170 and 51189 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 51189, than apply into the LCM equation.

GCF(51170,51189) = 1
LCM(51170,51189) = ( 51170 × 51189) / 1
LCM(51170,51189) = 2619341130 / 1
LCM(51170,51189) = 2619341130

Least Common Multiple (LCM) of 51170 and 51189 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51170 and 51189. First we will calculate the prime factors of 51170 and 51189.

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 51189

Prime factors of 51189 are 3, 113, 151. Prime factorization of 51189 in exponential form is:

51189 = 31 × 1131 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 51170 and 51189.

LCM(51170,51189) = 21 × 51 × 71 × 171 × 431 × 31 × 1131 × 1511
LCM(51170,51189) = 2619341130