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What is the Least Common Multiple of 2389 and 2400?

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 2389 and 2400 is 5733600.

LCM(2389,2400) = 5733600

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Least Common Multiple of 2389 and 2400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2389 and 2400, than apply into the LCM equation.

GCF(2389,2400) = 1
LCM(2389,2400) = ( 2389 × 2400) / 1
LCM(2389,2400) = 5733600 / 1
LCM(2389,2400) = 5733600

Least Common Multiple (LCM) of 2389 and 2400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2389 and 2400. First we will calculate the prime factors of 2389 and 2400.

Prime Factorization of 2389

Prime factors of 2389 are 2389. Prime factorization of 2389 in exponential form is:

2389 = 23891

Prime Factorization of 2400

Prime factors of 2400 are 2, 3, 5. Prime factorization of 2400 in exponential form is:

2400 = 25 × 31 × 52

Now multiplying the highest exponent prime factors to calculate the LCM of 2389 and 2400.

LCM(2389,2400) = 23891 × 25 × 31 × 52
LCM(2389,2400) = 5733600