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What is the Least Common Multiple of 66389 and 66408?

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 66389 and 66408 is 4408760712.

LCM(66389,66408) = 4408760712

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Least Common Multiple of 66389 and 66408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66389 and 66408, than apply into the LCM equation.

GCF(66389,66408) = 1
LCM(66389,66408) = ( 66389 × 66408) / 1
LCM(66389,66408) = 4408760712 / 1
LCM(66389,66408) = 4408760712

Least Common Multiple (LCM) of 66389 and 66408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66389 and 66408. First we will calculate the prime factors of 66389 and 66408.

Prime Factorization of 66389

Prime factors of 66389 are 197, 337. Prime factorization of 66389 in exponential form is:

66389 = 1971 × 3371

Prime Factorization of 66408

Prime factors of 66408 are 2, 3, 2767. Prime factorization of 66408 in exponential form is:

66408 = 23 × 31 × 27671

Now multiplying the highest exponent prime factors to calculate the LCM of 66389 and 66408.

LCM(66389,66408) = 1971 × 3371 × 23 × 31 × 27671
LCM(66389,66408) = 4408760712