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What is the Least Common Multiple of 33855 and 33861?

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 33855 and 33861 is 382121385.

LCM(33855,33861) = 382121385

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Least Common Multiple of 33855 and 33861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 33855 and 33861, than apply into the LCM equation.

GCF(33855,33861) = 3
LCM(33855,33861) = ( 33855 × 33861) / 3
LCM(33855,33861) = 1146364155 / 3
LCM(33855,33861) = 382121385

Least Common Multiple (LCM) of 33855 and 33861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 33855 and 33861. First we will calculate the prime factors of 33855 and 33861.

Prime Factorization of 33855

Prime factors of 33855 are 3, 5, 37, 61. Prime factorization of 33855 in exponential form is:

33855 = 31 × 51 × 371 × 611

Prime Factorization of 33861

Prime factors of 33861 are 3, 11287. Prime factorization of 33861 in exponential form is:

33861 = 31 × 112871

Now multiplying the highest exponent prime factors to calculate the LCM of 33855 and 33861.

LCM(33855,33861) = 31 × 51 × 371 × 611 × 112871
LCM(33855,33861) = 382121385