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What is the Least Common Multiple of 29857 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 29857 and 29870 is 891828590.

LCM(29857,29870) = 891828590

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Least Common Multiple of 29857 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 29857 and 29870, than apply into the LCM equation.

GCF(29857,29870) = 1
LCM(29857,29870) = ( 29857 × 29870) / 1
LCM(29857,29870) = 891828590 / 1
LCM(29857,29870) = 891828590

Least Common Multiple (LCM) of 29857 and 29870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 29857 and 29870. First we will calculate the prime factors of 29857 and 29870.

Prime Factorization of 29857

Prime factors of 29857 are 73, 409. Prime factorization of 29857 in exponential form is:

29857 = 731 × 4091

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 29857 and 29870.

LCM(29857,29870) = 731 × 4091 × 21 × 51 × 291 × 1031
LCM(29857,29870) = 891828590