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What is the Least Common Multiple of 66387 and 66401?

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 66387 and 66401 is 4408163187.

LCM(66387,66401) = 4408163187

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Least Common Multiple of 66387 and 66401 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66387 and 66401, than apply into the LCM equation.

GCF(66387,66401) = 1
LCM(66387,66401) = ( 66387 × 66401) / 1
LCM(66387,66401) = 4408163187 / 1
LCM(66387,66401) = 4408163187

Least Common Multiple (LCM) of 66387 and 66401 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66387 and 66401. First we will calculate the prime factors of 66387 and 66401.

Prime Factorization of 66387

Prime factors of 66387 are 3, 22129. Prime factorization of 66387 in exponential form is:

66387 = 31 × 221291

Prime Factorization of 66401

Prime factors of 66401 are 23, 2887. Prime factorization of 66401 in exponential form is:

66401 = 231 × 28871

Now multiplying the highest exponent prime factors to calculate the LCM of 66387 and 66401.

LCM(66387,66401) = 31 × 221291 × 231 × 28871
LCM(66387,66401) = 4408163187