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What is the Least Common Multiple of 16894 and 16898?

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 16894 and 16898 is 142737406.

LCM(16894,16898) = 142737406

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Least Common Multiple of 16894 and 16898 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16894 and 16898, than apply into the LCM equation.

GCF(16894,16898) = 2
LCM(16894,16898) = ( 16894 × 16898) / 2
LCM(16894,16898) = 285474812 / 2
LCM(16894,16898) = 142737406

Least Common Multiple (LCM) of 16894 and 16898 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16894 and 16898. First we will calculate the prime factors of 16894 and 16898.

Prime Factorization of 16894

Prime factors of 16894 are 2, 8447. Prime factorization of 16894 in exponential form is:

16894 = 21 × 84471

Prime Factorization of 16898

Prime factors of 16898 are 2, 7, 17, 71. Prime factorization of 16898 in exponential form is:

16898 = 21 × 71 × 171 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 16894 and 16898.

LCM(16894,16898) = 21 × 84471 × 71 × 171 × 711
LCM(16894,16898) = 142737406