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What is the Least Common Multiple of 18817 and 18830?

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 18817 and 18830 is 354324110.

LCM(18817,18830) = 354324110

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Least Common Multiple of 18817 and 18830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18817 and 18830, than apply into the LCM equation.

GCF(18817,18830) = 1
LCM(18817,18830) = ( 18817 × 18830) / 1
LCM(18817,18830) = 354324110 / 1
LCM(18817,18830) = 354324110

Least Common Multiple (LCM) of 18817 and 18830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18817 and 18830. First we will calculate the prime factors of 18817 and 18830.

Prime Factorization of 18817

Prime factors of 18817 are 31, 607. Prime factorization of 18817 in exponential form is:

18817 = 311 × 6071

Prime Factorization of 18830

Prime factors of 18830 are 2, 5, 7, 269. Prime factorization of 18830 in exponential form is:

18830 = 21 × 51 × 71 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 18817 and 18830.

LCM(18817,18830) = 311 × 6071 × 21 × 51 × 71 × 2691
LCM(18817,18830) = 354324110