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What is the Least Common Multiple of 30891 and 30903?

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 30891 and 30903 is 318208191.

LCM(30891,30903) = 318208191

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Least Common Multiple of 30891 and 30903 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30891 and 30903, than apply into the LCM equation.

GCF(30891,30903) = 3
LCM(30891,30903) = ( 30891 × 30903) / 3
LCM(30891,30903) = 954624573 / 3
LCM(30891,30903) = 318208191

Least Common Multiple (LCM) of 30891 and 30903 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30891 and 30903. First we will calculate the prime factors of 30891 and 30903.

Prime Factorization of 30891

Prime factors of 30891 are 3, 7, 1471. Prime factorization of 30891 in exponential form is:

30891 = 31 × 71 × 14711

Prime Factorization of 30903

Prime factors of 30903 are 3, 10301. Prime factorization of 30903 in exponential form is:

30903 = 31 × 103011

Now multiplying the highest exponent prime factors to calculate the LCM of 30891 and 30903.

LCM(30891,30903) = 31 × 71 × 14711 × 103011
LCM(30891,30903) = 318208191