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What is the Least Common Multiple of 17821 and 17841?

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 17821 and 17841 is 317944461.

LCM(17821,17841) = 317944461

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Least Common Multiple of 17821 and 17841 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17821 and 17841, than apply into the LCM equation.

GCF(17821,17841) = 1
LCM(17821,17841) = ( 17821 × 17841) / 1
LCM(17821,17841) = 317944461 / 1
LCM(17821,17841) = 317944461

Least Common Multiple (LCM) of 17821 and 17841 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17821 and 17841. First we will calculate the prime factors of 17821 and 17841.

Prime Factorization of 17821

Prime factors of 17821 are 71, 251. Prime factorization of 17821 in exponential form is:

17821 = 711 × 2511

Prime Factorization of 17841

Prime factors of 17841 are 3, 19, 313. Prime factorization of 17841 in exponential form is:

17841 = 31 × 191 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 17821 and 17841.

LCM(17821,17841) = 711 × 2511 × 31 × 191 × 3131
LCM(17821,17841) = 317944461