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What is the Least Common Multiple of 16810 and 16821?

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 16810 and 16821 is 282761010.

LCM(16810,16821) = 282761010

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Least Common Multiple of 16810 and 16821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16810 and 16821, than apply into the LCM equation.

GCF(16810,16821) = 1
LCM(16810,16821) = ( 16810 × 16821) / 1
LCM(16810,16821) = 282761010 / 1
LCM(16810,16821) = 282761010

Least Common Multiple (LCM) of 16810 and 16821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16810 and 16821. First we will calculate the prime factors of 16810 and 16821.

Prime Factorization of 16810

Prime factors of 16810 are 2, 5, 41. Prime factorization of 16810 in exponential form is:

16810 = 21 × 51 × 412

Prime Factorization of 16821

Prime factors of 16821 are 3, 7, 89. Prime factorization of 16821 in exponential form is:

16821 = 33 × 71 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 16810 and 16821.

LCM(16810,16821) = 21 × 51 × 412 × 33 × 71 × 891
LCM(16810,16821) = 282761010