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What is the Least Common Multiple of 34857 and 34870?

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 34857 and 34870 is 1215463590.

LCM(34857,34870) = 1215463590

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Least Common Multiple of 34857 and 34870 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 34857 and 34870, than apply into the LCM equation.

GCF(34857,34870) = 1
LCM(34857,34870) = ( 34857 × 34870) / 1
LCM(34857,34870) = 1215463590 / 1
LCM(34857,34870) = 1215463590

Least Common Multiple (LCM) of 34857 and 34870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 34857 and 34870. First we will calculate the prime factors of 34857 and 34870.

Prime Factorization of 34857

Prime factors of 34857 are 3, 1291. Prime factorization of 34857 in exponential form is:

34857 = 33 × 12911

Prime Factorization of 34870

Prime factors of 34870 are 2, 5, 11, 317. Prime factorization of 34870 in exponential form is:

34870 = 21 × 51 × 111 × 3171

Now multiplying the highest exponent prime factors to calculate the LCM of 34857 and 34870.

LCM(34857,34870) = 33 × 12911 × 21 × 51 × 111 × 3171
LCM(34857,34870) = 1215463590