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What is the Least Common Multiple of 16416 and 16426?

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 16416 and 16426 is 134824608.

LCM(16416,16426) = 134824608

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Least Common Multiple of 16416 and 16426 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16416 and 16426, than apply into the LCM equation.

GCF(16416,16426) = 2
LCM(16416,16426) = ( 16416 × 16426) / 2
LCM(16416,16426) = 269649216 / 2
LCM(16416,16426) = 134824608

Least Common Multiple (LCM) of 16416 and 16426 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16416 and 16426. First we will calculate the prime factors of 16416 and 16426.

Prime Factorization of 16416

Prime factors of 16416 are 2, 3, 19. Prime factorization of 16416 in exponential form is:

16416 = 25 × 33 × 191

Prime Factorization of 16426

Prime factors of 16426 are 2, 43, 191. Prime factorization of 16426 in exponential form is:

16426 = 21 × 431 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 16416 and 16426.

LCM(16416,16426) = 25 × 33 × 191 × 431 × 1911
LCM(16416,16426) = 134824608