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What is the Least Common Multiple of 20849 and 20865?

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 20865 is 435014385.

LCM(20849,20865) = 435014385

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Least Common Multiple of 20849 and 20865 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 20865, than apply into the LCM equation.

GCF(20849,20865) = 1
LCM(20849,20865) = ( 20849 × 20865) / 1
LCM(20849,20865) = 435014385 / 1
LCM(20849,20865) = 435014385

Least Common Multiple (LCM) of 20849 and 20865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20849 and 20865. First we will calculate the prime factors of 20849 and 20865.

Prime Factorization of 20849

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

20849 = 208491

Prime Factorization of 20865

Prime factors of 20865 are 3, 5, 13, 107. Prime factorization of 20865 in exponential form is:

20865 = 31 × 51 × 131 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 20849 and 20865.

LCM(20849,20865) = 208491 × 31 × 51 × 131 × 1071
LCM(20849,20865) = 435014385