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What is the Least Common Multiple of 30856 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 30856 and 30865 is 952370440.

LCM(30856,30865) = 952370440

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Least Common Multiple of 30856 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 30856 and 30865, than apply into the LCM equation.

GCF(30856,30865) = 1
LCM(30856,30865) = ( 30856 × 30865) / 1
LCM(30856,30865) = 952370440 / 1
LCM(30856,30865) = 952370440

Least Common Multiple (LCM) of 30856 and 30865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30856 and 30865. First we will calculate the prime factors of 30856 and 30865.

Prime Factorization of 30856

Prime factors of 30856 are 2, 7, 19, 29. Prime factorization of 30856 in exponential form is:

30856 = 23 × 71 × 191 × 291

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 30856 and 30865.

LCM(30856,30865) = 23 × 71 × 191 × 291 × 51 × 61731
LCM(30856,30865) = 952370440