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What is the Least Common Multiple of 34200 and 34209?

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 34200 and 34209 is 129994200.

LCM(34200,34209) = 129994200

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Least Common Multiple of 34200 and 34209 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 34200 and 34209, than apply into the LCM equation.

GCF(34200,34209) = 9
LCM(34200,34209) = ( 34200 × 34209) / 9
LCM(34200,34209) = 1169947800 / 9
LCM(34200,34209) = 129994200

Least Common Multiple (LCM) of 34200 and 34209 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 34200 and 34209. First we will calculate the prime factors of 34200 and 34209.

Prime Factorization of 34200

Prime factors of 34200 are 2, 3, 5, 19. Prime factorization of 34200 in exponential form is:

34200 = 23 × 32 × 52 × 191

Prime Factorization of 34209

Prime factors of 34209 are 3, 7, 181. Prime factorization of 34209 in exponential form is:

34209 = 33 × 71 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 34200 and 34209.

LCM(34200,34209) = 23 × 33 × 52 × 191 × 71 × 1811
LCM(34200,34209) = 129994200