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What is the Least Common Multiple of 21826 and 21837?

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 21826 and 21837 is 476614362.

LCM(21826,21837) = 476614362

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Least Common Multiple of 21826 and 21837 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21826 and 21837, than apply into the LCM equation.

GCF(21826,21837) = 1
LCM(21826,21837) = ( 21826 × 21837) / 1
LCM(21826,21837) = 476614362 / 1
LCM(21826,21837) = 476614362

Least Common Multiple (LCM) of 21826 and 21837 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21826 and 21837. First we will calculate the prime factors of 21826 and 21837.

Prime Factorization of 21826

Prime factors of 21826 are 2, 7, 1559. Prime factorization of 21826 in exponential form is:

21826 = 21 × 71 × 15591

Prime Factorization of 21837

Prime factors of 21837 are 3, 29, 251. Prime factorization of 21837 in exponential form is:

21837 = 31 × 291 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 21826 and 21837.

LCM(21826,21837) = 21 × 71 × 15591 × 31 × 291 × 2511
LCM(21826,21837) = 476614362