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What is the Least Common Multiple of 21841 and 21847?

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 21841 and 21847 is 477160327.

LCM(21841,21847) = 477160327

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Least Common Multiple of 21841 and 21847 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21841 and 21847, than apply into the LCM equation.

GCF(21841,21847) = 1
LCM(21841,21847) = ( 21841 × 21847) / 1
LCM(21841,21847) = 477160327 / 1
LCM(21841,21847) = 477160327

Least Common Multiple (LCM) of 21841 and 21847 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21841 and 21847. First we will calculate the prime factors of 21841 and 21847.

Prime Factorization of 21841

Prime factors of 21841 are 21841. Prime factorization of 21841 in exponential form is:

21841 = 218411

Prime Factorization of 21847

Prime factors of 21847 are 7, 3121. Prime factorization of 21847 in exponential form is:

21847 = 71 × 31211

Now multiplying the highest exponent prime factors to calculate the LCM of 21841 and 21847.

LCM(21841,21847) = 218411 × 71 × 31211
LCM(21841,21847) = 477160327