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What is the Least Common Multiple of 10230 and 10245?

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 10230 and 10245 is 6987090.

LCM(10230,10245) = 6987090

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Least Common Multiple of 10230 and 10245 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10230 and 10245, than apply into the LCM equation.

GCF(10230,10245) = 15
LCM(10230,10245) = ( 10230 × 10245) / 15
LCM(10230,10245) = 104806350 / 15
LCM(10230,10245) = 6987090

Least Common Multiple (LCM) of 10230 and 10245 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10230 and 10245. First we will calculate the prime factors of 10230 and 10245.

Prime Factorization of 10230

Prime factors of 10230 are 2, 3, 5, 11, 31. Prime factorization of 10230 in exponential form is:

10230 = 21 × 31 × 51 × 111 × 311

Prime Factorization of 10245

Prime factors of 10245 are 3, 5, 683. Prime factorization of 10245 in exponential form is:

10245 = 31 × 51 × 6831

Now multiplying the highest exponent prime factors to calculate the LCM of 10230 and 10245.

LCM(10230,10245) = 21 × 31 × 51 × 111 × 311 × 6831
LCM(10230,10245) = 6987090