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What is the Least Common Multiple of 30270 and 30289?

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 30270 and 30289 is 916848030.

LCM(30270,30289) = 916848030

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Least Common Multiple of 30270 and 30289 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30270 and 30289, than apply into the LCM equation.

GCF(30270,30289) = 1
LCM(30270,30289) = ( 30270 × 30289) / 1
LCM(30270,30289) = 916848030 / 1
LCM(30270,30289) = 916848030

Least Common Multiple (LCM) of 30270 and 30289 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30270 and 30289. First we will calculate the prime factors of 30270 and 30289.

Prime Factorization of 30270

Prime factors of 30270 are 2, 3, 5, 1009. Prime factorization of 30270 in exponential form is:

30270 = 21 × 31 × 51 × 10091

Prime Factorization of 30289

Prime factors of 30289 are 7, 4327. Prime factorization of 30289 in exponential form is:

30289 = 71 × 43271

Now multiplying the highest exponent prime factors to calculate the LCM of 30270 and 30289.

LCM(30270,30289) = 21 × 31 × 51 × 10091 × 71 × 43271
LCM(30270,30289) = 916848030