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What is the Least Common Multiple of 20829 and 20839?

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 20829 and 20839 is 434055531.

LCM(20829,20839) = 434055531

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Least Common Multiple of 20829 and 20839 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20829 and 20839, than apply into the LCM equation.

GCF(20829,20839) = 1
LCM(20829,20839) = ( 20829 × 20839) / 1
LCM(20829,20839) = 434055531 / 1
LCM(20829,20839) = 434055531

Least Common Multiple (LCM) of 20829 and 20839 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20829 and 20839. First we will calculate the prime factors of 20829 and 20839.

Prime Factorization of 20829

Prime factors of 20829 are 3, 53, 131. Prime factorization of 20829 in exponential form is:

20829 = 31 × 531 × 1311

Prime Factorization of 20839

Prime factors of 20839 are 7, 13, 229. Prime factorization of 20839 in exponential form is:

20839 = 71 × 131 × 2291

Now multiplying the highest exponent prime factors to calculate the LCM of 20829 and 20839.

LCM(20829,20839) = 31 × 531 × 1311 × 71 × 131 × 2291
LCM(20829,20839) = 434055531