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What is the Least Common Multiple of 17841 and 17857?

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 17841 and 17857 is 318586737.

LCM(17841,17857) = 318586737

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Least Common Multiple of 17841 and 17857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17841 and 17857, than apply into the LCM equation.

GCF(17841,17857) = 1
LCM(17841,17857) = ( 17841 × 17857) / 1
LCM(17841,17857) = 318586737 / 1
LCM(17841,17857) = 318586737

Least Common Multiple (LCM) of 17841 and 17857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17841 and 17857. First we will calculate the prime factors of 17841 and 17857.

Prime Factorization of 17841

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

17841 = 31 × 191 × 3131

Prime Factorization of 17857

Prime factors of 17857 are 7, 2551. Prime factorization of 17857 in exponential form is:

17857 = 71 × 25511

Now multiplying the highest exponent prime factors to calculate the LCM of 17841 and 17857.

LCM(17841,17857) = 31 × 191 × 3131 × 71 × 25511
LCM(17841,17857) = 318586737