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What is the Least Common Multiple of 20849 and 20854?

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 20849 and 20854 is 434785046.

LCM(20849,20854) = 434785046

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Least Common Multiple of 20849 and 20854 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20849 and 20854, than apply into the LCM equation.

GCF(20849,20854) = 1
LCM(20849,20854) = ( 20849 × 20854) / 1
LCM(20849,20854) = 434785046 / 1
LCM(20849,20854) = 434785046

Least Common Multiple (LCM) of 20849 and 20854 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20849 and 20854. First we will calculate the prime factors of 20849 and 20854.

Prime Factorization of 20849

Prime factors of 20849 are 20849. Prime factorization of 20849 in exponential form is:

20849 = 208491

Prime Factorization of 20854

Prime factors of 20854 are 2, 10427. Prime factorization of 20854 in exponential form is:

20854 = 21 × 104271

Now multiplying the highest exponent prime factors to calculate the LCM of 20849 and 20854.

LCM(20849,20854) = 208491 × 21 × 104271
LCM(20849,20854) = 434785046