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What is the Least Common Multiple of 16891 and 16904?

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 16891 and 16904 is 285525464.

LCM(16891,16904) = 285525464

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Least Common Multiple of 16891 and 16904 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16891 and 16904, than apply into the LCM equation.

GCF(16891,16904) = 1
LCM(16891,16904) = ( 16891 × 16904) / 1
LCM(16891,16904) = 285525464 / 1
LCM(16891,16904) = 285525464

Least Common Multiple (LCM) of 16891 and 16904 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16891 and 16904. First we will calculate the prime factors of 16891 and 16904.

Prime Factorization of 16891

Prime factors of 16891 are 7, 19, 127. Prime factorization of 16891 in exponential form is:

16891 = 71 × 191 × 1271

Prime Factorization of 16904

Prime factors of 16904 are 2, 2113. Prime factorization of 16904 in exponential form is:

16904 = 23 × 21131

Now multiplying the highest exponent prime factors to calculate the LCM of 16891 and 16904.

LCM(16891,16904) = 71 × 191 × 1271 × 23 × 21131
LCM(16891,16904) = 285525464