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What is the Least Common Multiple of 18548 and 18556?

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 18548 and 18556 is 86044172.

LCM(18548,18556) = 86044172

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Least Common Multiple of 18548 and 18556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18548 and 18556, than apply into the LCM equation.

GCF(18548,18556) = 4
LCM(18548,18556) = ( 18548 × 18556) / 4
LCM(18548,18556) = 344176688 / 4
LCM(18548,18556) = 86044172

Least Common Multiple (LCM) of 18548 and 18556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18548 and 18556. First we will calculate the prime factors of 18548 and 18556.

Prime Factorization of 18548

Prime factors of 18548 are 2, 4637. Prime factorization of 18548 in exponential form is:

18548 = 22 × 46371

Prime Factorization of 18556

Prime factors of 18556 are 2, 4639. Prime factorization of 18556 in exponential form is:

18556 = 22 × 46391

Now multiplying the highest exponent prime factors to calculate the LCM of 18548 and 18556.

LCM(18548,18556) = 22 × 46371 × 46391
LCM(18548,18556) = 86044172