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What is the Least Common Multiple of 18503 and 18510?

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 18503 and 18510 is 342490530.

LCM(18503,18510) = 342490530

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Least Common Multiple of 18503 and 18510 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18503 and 18510, than apply into the LCM equation.

GCF(18503,18510) = 1
LCM(18503,18510) = ( 18503 × 18510) / 1
LCM(18503,18510) = 342490530 / 1
LCM(18503,18510) = 342490530

Least Common Multiple (LCM) of 18503 and 18510 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18503 and 18510. First we will calculate the prime factors of 18503 and 18510.

Prime Factorization of 18503

Prime factors of 18503 are 18503. Prime factorization of 18503 in exponential form is:

18503 = 185031

Prime Factorization of 18510

Prime factors of 18510 are 2, 3, 5, 617. Prime factorization of 18510 in exponential form is:

18510 = 21 × 31 × 51 × 6171

Now multiplying the highest exponent prime factors to calculate the LCM of 18503 and 18510.

LCM(18503,18510) = 185031 × 21 × 31 × 51 × 6171
LCM(18503,18510) = 342490530