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What is the Least Common Multiple of 16821 and 16826?

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 16821 and 16826 is 283030146.

LCM(16821,16826) = 283030146

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Least Common Multiple of 16821 and 16826 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16821 and 16826, than apply into the LCM equation.

GCF(16821,16826) = 1
LCM(16821,16826) = ( 16821 × 16826) / 1
LCM(16821,16826) = 283030146 / 1
LCM(16821,16826) = 283030146

Least Common Multiple (LCM) of 16821 and 16826 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16821 and 16826. First we will calculate the prime factors of 16821 and 16826.

Prime Factorization of 16821

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

16821 = 33 × 71 × 891

Prime Factorization of 16826

Prime factors of 16826 are 2, 47, 179. Prime factorization of 16826 in exponential form is:

16826 = 21 × 471 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 16821 and 16826.

LCM(16821,16826) = 33 × 71 × 891 × 21 × 471 × 1791
LCM(16821,16826) = 283030146