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What is the Least Common Multiple of 42858 and 42869?

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 42858 and 42869 is 1837279602.

LCM(42858,42869) = 1837279602

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Least Common Multiple of 42858 and 42869 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42858 and 42869, than apply into the LCM equation.

GCF(42858,42869) = 1
LCM(42858,42869) = ( 42858 × 42869) / 1
LCM(42858,42869) = 1837279602 / 1
LCM(42858,42869) = 1837279602

Least Common Multiple (LCM) of 42858 and 42869 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42858 and 42869. First we will calculate the prime factors of 42858 and 42869.

Prime Factorization of 42858

Prime factors of 42858 are 2, 3, 2381. Prime factorization of 42858 in exponential form is:

42858 = 21 × 32 × 23811

Prime Factorization of 42869

Prime factors of 42869 are 163, 263. Prime factorization of 42869 in exponential form is:

42869 = 1631 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 42858 and 42869.

LCM(42858,42869) = 21 × 32 × 23811 × 1631 × 2631
LCM(42858,42869) = 1837279602