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What is the Least Common Multiple of 29858 and 29870?

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 29858 and 29870 is 445929230.

LCM(29858,29870) = 445929230

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Least Common Multiple of 29858 and 29870 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 29858 and 29870, than apply into the LCM equation.

GCF(29858,29870) = 2
LCM(29858,29870) = ( 29858 × 29870) / 2
LCM(29858,29870) = 891858460 / 2
LCM(29858,29870) = 445929230

Least Common Multiple (LCM) of 29858 and 29870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 29858 and 29870. First we will calculate the prime factors of 29858 and 29870.

Prime Factorization of 29858

Prime factors of 29858 are 2, 14929. Prime factorization of 29858 in exponential form is:

29858 = 21 × 149291

Prime Factorization of 29870

Prime factors of 29870 are 2, 5, 29, 103. Prime factorization of 29870 in exponential form is:

29870 = 21 × 51 × 291 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 29858 and 29870.

LCM(29858,29870) = 21 × 149291 × 51 × 291 × 1031
LCM(29858,29870) = 445929230