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What is the Least Common Multiple of 18256 and 18276?

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 18256 and 18276 is 83411664.

LCM(18256,18276) = 83411664

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Least Common Multiple of 18256 and 18276 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18256 and 18276, than apply into the LCM equation.

GCF(18256,18276) = 4
LCM(18256,18276) = ( 18256 × 18276) / 4
LCM(18256,18276) = 333646656 / 4
LCM(18256,18276) = 83411664

Least Common Multiple (LCM) of 18256 and 18276 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18256 and 18276. First we will calculate the prime factors of 18256 and 18276.

Prime Factorization of 18256

Prime factors of 18256 are 2, 7, 163. Prime factorization of 18256 in exponential form is:

18256 = 24 × 71 × 1631

Prime Factorization of 18276

Prime factors of 18276 are 2, 3, 1523. Prime factorization of 18276 in exponential form is:

18276 = 22 × 31 × 15231

Now multiplying the highest exponent prime factors to calculate the LCM of 18256 and 18276.

LCM(18256,18276) = 24 × 71 × 1631 × 31 × 15231
LCM(18256,18276) = 83411664