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What is the Least Common Multiple of 30858 and 30865?

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 30858 and 30865 is 952432170.

LCM(30858,30865) = 952432170

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Least Common Multiple of 30858 and 30865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30858 and 30865, than apply into the LCM equation.

GCF(30858,30865) = 1
LCM(30858,30865) = ( 30858 × 30865) / 1
LCM(30858,30865) = 952432170 / 1
LCM(30858,30865) = 952432170

Least Common Multiple (LCM) of 30858 and 30865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30858 and 30865. First we will calculate the prime factors of 30858 and 30865.

Prime Factorization of 30858

Prime factors of 30858 are 2, 3, 37, 139. Prime factorization of 30858 in exponential form is:

30858 = 21 × 31 × 371 × 1391

Prime Factorization of 30865

Prime factors of 30865 are 5, 6173. Prime factorization of 30865 in exponential form is:

30865 = 51 × 61731

Now multiplying the highest exponent prime factors to calculate the LCM of 30858 and 30865.

LCM(30858,30865) = 21 × 31 × 371 × 1391 × 51 × 61731
LCM(30858,30865) = 952432170