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What is the Least Common Multiple of 42850 and 42870?

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 42850 and 42870 is 183697950.

LCM(42850,42870) = 183697950

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Least Common Multiple of 42850 and 42870 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42850 and 42870, than apply into the LCM equation.

GCF(42850,42870) = 10
LCM(42850,42870) = ( 42850 × 42870) / 10
LCM(42850,42870) = 1836979500 / 10
LCM(42850,42870) = 183697950

Least Common Multiple (LCM) of 42850 and 42870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42850 and 42870. First we will calculate the prime factors of 42850 and 42870.

Prime Factorization of 42850

Prime factors of 42850 are 2, 5, 857. Prime factorization of 42850 in exponential form is:

42850 = 21 × 52 × 8571

Prime Factorization of 42870

Prime factors of 42870 are 2, 3, 5, 1429. Prime factorization of 42870 in exponential form is:

42870 = 21 × 31 × 51 × 14291

Now multiplying the highest exponent prime factors to calculate the LCM of 42850 and 42870.

LCM(42850,42870) = 21 × 52 × 8571 × 31 × 14291
LCM(42850,42870) = 183697950