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What is the Least Common Multiple of 338 and 347?

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 338 and 347 is 117286.

LCM(338,347) = 117286

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Least Common Multiple of 338 and 347 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 338 and 347, than apply into the LCM equation.

GCF(338,347) = 1
LCM(338,347) = ( 338 × 347) / 1
LCM(338,347) = 117286 / 1
LCM(338,347) = 117286

Least Common Multiple (LCM) of 338 and 347 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 338 and 347. First we will calculate the prime factors of 338 and 347.

Prime Factorization of 338

Prime factors of 338 are 2, 13. Prime factorization of 338 in exponential form is:

338 = 21 × 132

Prime Factorization of 347

Prime factors of 347 are 347. Prime factorization of 347 in exponential form is:

347 = 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 338 and 347.

LCM(338,347) = 21 × 132 × 3471
LCM(338,347) = 117286