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What is the Least Common Multiple of 18488 and 18494?

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 18488 and 18494 is 170958536.

LCM(18488,18494) = 170958536

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Least Common Multiple of 18488 and 18494 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18488 and 18494, than apply into the LCM equation.

GCF(18488,18494) = 2
LCM(18488,18494) = ( 18488 × 18494) / 2
LCM(18488,18494) = 341917072 / 2
LCM(18488,18494) = 170958536

Least Common Multiple (LCM) of 18488 and 18494 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18488 and 18494. First we will calculate the prime factors of 18488 and 18494.

Prime Factorization of 18488

Prime factors of 18488 are 2, 2311. Prime factorization of 18488 in exponential form is:

18488 = 23 × 23111

Prime Factorization of 18494

Prime factors of 18494 are 2, 7, 1321. Prime factorization of 18494 in exponential form is:

18494 = 21 × 71 × 13211

Now multiplying the highest exponent prime factors to calculate the LCM of 18488 and 18494.

LCM(18488,18494) = 23 × 23111 × 71 × 13211
LCM(18488,18494) = 170958536