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What is the Least Common Multiple of 18238 and 18248?

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 18238 and 18248 is 166403512.

LCM(18238,18248) = 166403512

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Least Common Multiple of 18238 and 18248 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18238 and 18248, than apply into the LCM equation.

GCF(18238,18248) = 2
LCM(18238,18248) = ( 18238 × 18248) / 2
LCM(18238,18248) = 332807024 / 2
LCM(18238,18248) = 166403512

Least Common Multiple (LCM) of 18238 and 18248 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18238 and 18248. First we will calculate the prime factors of 18238 and 18248.

Prime Factorization of 18238

Prime factors of 18238 are 2, 11, 829. Prime factorization of 18238 in exponential form is:

18238 = 21 × 111 × 8291

Prime Factorization of 18248

Prime factors of 18248 are 2, 2281. Prime factorization of 18248 in exponential form is:

18248 = 23 × 22811

Now multiplying the highest exponent prime factors to calculate the LCM of 18238 and 18248.

LCM(18238,18248) = 23 × 111 × 8291 × 22811
LCM(18238,18248) = 166403512