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What is the Least Common Multiple of 18386 and 18392?

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 18386 and 18392 is 169077656.

LCM(18386,18392) = 169077656

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Least Common Multiple of 18386 and 18392 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18386 and 18392, than apply into the LCM equation.

GCF(18386,18392) = 2
LCM(18386,18392) = ( 18386 × 18392) / 2
LCM(18386,18392) = 338155312 / 2
LCM(18386,18392) = 169077656

Least Common Multiple (LCM) of 18386 and 18392 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18386 and 18392. First we will calculate the prime factors of 18386 and 18392.

Prime Factorization of 18386

Prime factors of 18386 are 2, 29, 317. Prime factorization of 18386 in exponential form is:

18386 = 21 × 291 × 3171

Prime Factorization of 18392

Prime factors of 18392 are 2, 11, 19. Prime factorization of 18392 in exponential form is:

18392 = 23 × 112 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 18386 and 18392.

LCM(18386,18392) = 23 × 291 × 3171 × 112 × 191
LCM(18386,18392) = 169077656