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What is the Least Common Multiple of 42859 and 42871?

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 42859 and 42871 is 1837408189.

LCM(42859,42871) = 1837408189

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Least Common Multiple of 42859 and 42871 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42859 and 42871, than apply into the LCM equation.

GCF(42859,42871) = 1
LCM(42859,42871) = ( 42859 × 42871) / 1
LCM(42859,42871) = 1837408189 / 1
LCM(42859,42871) = 1837408189

Least Common Multiple (LCM) of 42859 and 42871 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42859 and 42871. First we will calculate the prime factors of 42859 and 42871.

Prime Factorization of 42859

Prime factors of 42859 are 42859. Prime factorization of 42859 in exponential form is:

42859 = 428591

Prime Factorization of 42871

Prime factors of 42871 are 43, 997. Prime factorization of 42871 in exponential form is:

42871 = 431 × 9971

Now multiplying the highest exponent prime factors to calculate the LCM of 42859 and 42871.

LCM(42859,42871) = 428591 × 431 × 9971
LCM(42859,42871) = 1837408189