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What is the Least Common Multiple of 17918 and 17934?

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 17918 and 17934 is 160670706.

LCM(17918,17934) = 160670706

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Least Common Multiple of 17918 and 17934 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17918 and 17934, than apply into the LCM equation.

GCF(17918,17934) = 2
LCM(17918,17934) = ( 17918 × 17934) / 2
LCM(17918,17934) = 321341412 / 2
LCM(17918,17934) = 160670706

Least Common Multiple (LCM) of 17918 and 17934 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17918 and 17934. First we will calculate the prime factors of 17918 and 17934.

Prime Factorization of 17918

Prime factors of 17918 are 2, 17, 31. Prime factorization of 17918 in exponential form is:

17918 = 21 × 172 × 311

Prime Factorization of 17934

Prime factors of 17934 are 2, 3, 7, 61. Prime factorization of 17934 in exponential form is:

17934 = 21 × 31 × 72 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 17918 and 17934.

LCM(17918,17934) = 21 × 172 × 311 × 31 × 72 × 611
LCM(17918,17934) = 160670706