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What is the Least Common Multiple of 16418 and 16428?

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 16418 and 16428 is 134857452.

LCM(16418,16428) = 134857452

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Least Common Multiple of 16418 and 16428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16418 and 16428, than apply into the LCM equation.

GCF(16418,16428) = 2
LCM(16418,16428) = ( 16418 × 16428) / 2
LCM(16418,16428) = 269714904 / 2
LCM(16418,16428) = 134857452

Least Common Multiple (LCM) of 16418 and 16428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16418 and 16428. First we will calculate the prime factors of 16418 and 16428.

Prime Factorization of 16418

Prime factors of 16418 are 2, 8209. Prime factorization of 16418 in exponential form is:

16418 = 21 × 82091

Prime Factorization of 16428

Prime factors of 16428 are 2, 3, 37. Prime factorization of 16428 in exponential form is:

16428 = 22 × 31 × 372

Now multiplying the highest exponent prime factors to calculate the LCM of 16418 and 16428.

LCM(16418,16428) = 22 × 82091 × 31 × 372
LCM(16418,16428) = 134857452