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What is the Least Common Multiple of 18488 and 18507?

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 18507 is 342157416.

LCM(18488,18507) = 342157416

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Least Common Multiple of 18488 and 18507 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 18507, than apply into the LCM equation.

GCF(18488,18507) = 1
LCM(18488,18507) = ( 18488 × 18507) / 1
LCM(18488,18507) = 342157416 / 1
LCM(18488,18507) = 342157416

Least Common Multiple (LCM) of 18488 and 18507 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18488 and 18507. First we will calculate the prime factors of 18488 and 18507.

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 18507

Prime factors of 18507 are 3, 31, 199. Prime factorization of 18507 in exponential form is:

18507 = 31 × 311 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 18488 and 18507.

LCM(18488,18507) = 23 × 23111 × 31 × 311 × 1991
LCM(18488,18507) = 342157416