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What is the Least Common Multiple of 20804 and 20823?

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 20804 and 20823 is 433201692.

LCM(20804,20823) = 433201692

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Least Common Multiple of 20804 and 20823 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20804 and 20823, than apply into the LCM equation.

GCF(20804,20823) = 1
LCM(20804,20823) = ( 20804 × 20823) / 1
LCM(20804,20823) = 433201692 / 1
LCM(20804,20823) = 433201692

Least Common Multiple (LCM) of 20804 and 20823 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20804 and 20823. First we will calculate the prime factors of 20804 and 20823.

Prime Factorization of 20804

Prime factors of 20804 are 2, 7, 743. Prime factorization of 20804 in exponential form is:

20804 = 22 × 71 × 7431

Prime Factorization of 20823

Prime factors of 20823 are 3, 11, 631. Prime factorization of 20823 in exponential form is:

20823 = 31 × 111 × 6311

Now multiplying the highest exponent prime factors to calculate the LCM of 20804 and 20823.

LCM(20804,20823) = 22 × 71 × 7431 × 31 × 111 × 6311
LCM(20804,20823) = 433201692