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What is the Least Common Multiple of 16813 and 16817?

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 16813 and 16817 is 282744221.

LCM(16813,16817) = 282744221

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Least Common Multiple of 16813 and 16817 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16813 and 16817, than apply into the LCM equation.

GCF(16813,16817) = 1
LCM(16813,16817) = ( 16813 × 16817) / 1
LCM(16813,16817) = 282744221 / 1
LCM(16813,16817) = 282744221

Least Common Multiple (LCM) of 16813 and 16817 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16813 and 16817. First we will calculate the prime factors of 16813 and 16817.

Prime Factorization of 16813

Prime factors of 16813 are 17, 23, 43. Prime factorization of 16813 in exponential form is:

16813 = 171 × 231 × 431

Prime Factorization of 16817

Prime factors of 16817 are 67, 251. Prime factorization of 16817 in exponential form is:

16817 = 671 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 16813 and 16817.

LCM(16813,16817) = 171 × 231 × 431 × 671 × 2511
LCM(16813,16817) = 282744221