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What is the Least Common Multiple of 18600 and 18604?

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 18600 and 18604 is 86508600.

LCM(18600,18604) = 86508600

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Least Common Multiple of 18600 and 18604 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18600 and 18604, than apply into the LCM equation.

GCF(18600,18604) = 4
LCM(18600,18604) = ( 18600 × 18604) / 4
LCM(18600,18604) = 346034400 / 4
LCM(18600,18604) = 86508600

Least Common Multiple (LCM) of 18600 and 18604 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18600 and 18604. First we will calculate the prime factors of 18600 and 18604.

Prime Factorization of 18600

Prime factors of 18600 are 2, 3, 5, 31. Prime factorization of 18600 in exponential form is:

18600 = 23 × 31 × 52 × 311

Prime Factorization of 18604

Prime factors of 18604 are 2, 4651. Prime factorization of 18604 in exponential form is:

18604 = 22 × 46511

Now multiplying the highest exponent prime factors to calculate the LCM of 18600 and 18604.

LCM(18600,18604) = 23 × 31 × 52 × 311 × 46511
LCM(18600,18604) = 86508600