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What is the Least Common Multiple of 20837 and 20845?

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 20837 and 20845 is 434347265.

LCM(20837,20845) = 434347265

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Least Common Multiple of 20837 and 20845 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20837 and 20845, than apply into the LCM equation.

GCF(20837,20845) = 1
LCM(20837,20845) = ( 20837 × 20845) / 1
LCM(20837,20845) = 434347265 / 1
LCM(20837,20845) = 434347265

Least Common Multiple (LCM) of 20837 and 20845 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20837 and 20845. First we will calculate the prime factors of 20837 and 20845.

Prime Factorization of 20837

Prime factors of 20837 are 67, 311. Prime factorization of 20837 in exponential form is:

20837 = 671 × 3111

Prime Factorization of 20845

Prime factors of 20845 are 5, 11, 379. Prime factorization of 20845 in exponential form is:

20845 = 51 × 111 × 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 20837 and 20845.

LCM(20837,20845) = 671 × 3111 × 51 × 111 × 3791
LCM(20837,20845) = 434347265