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What is the Least Common Multiple of 18284 and 18291?

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 18284 and 18291 is 47776092.

LCM(18284,18291) = 47776092

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Least Common Multiple of 18284 and 18291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18284 and 18291, than apply into the LCM equation.

GCF(18284,18291) = 7
LCM(18284,18291) = ( 18284 × 18291) / 7
LCM(18284,18291) = 334432644 / 7
LCM(18284,18291) = 47776092

Least Common Multiple (LCM) of 18284 and 18291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18284 and 18291. First we will calculate the prime factors of 18284 and 18291.

Prime Factorization of 18284

Prime factors of 18284 are 2, 7, 653. Prime factorization of 18284 in exponential form is:

18284 = 22 × 71 × 6531

Prime Factorization of 18291

Prime factors of 18291 are 3, 7, 13, 67. Prime factorization of 18291 in exponential form is:

18291 = 31 × 71 × 131 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 18284 and 18291.

LCM(18284,18291) = 22 × 71 × 6531 × 31 × 131 × 671
LCM(18284,18291) = 47776092