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What is the Least Common Multiple of 3387 and 3400?

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 3387 and 3400 is 11515800.

LCM(3387,3400) = 11515800

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Least Common Multiple of 3387 and 3400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3387 and 3400, than apply into the LCM equation.

GCF(3387,3400) = 1
LCM(3387,3400) = ( 3387 × 3400) / 1
LCM(3387,3400) = 11515800 / 1
LCM(3387,3400) = 11515800

Least Common Multiple (LCM) of 3387 and 3400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3387 and 3400. First we will calculate the prime factors of 3387 and 3400.

Prime Factorization of 3387

Prime factors of 3387 are 3, 1129. Prime factorization of 3387 in exponential form is:

3387 = 31 × 11291

Prime Factorization of 3400

Prime factors of 3400 are 2, 5, 17. Prime factorization of 3400 in exponential form is:

3400 = 23 × 52 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 3387 and 3400.

LCM(3387,3400) = 31 × 11291 × 23 × 52 × 171
LCM(3387,3400) = 11515800