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What is the Least Common Multiple of 338 and 346?

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 346 is 58474.

LCM(338,346) = 58474

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Least Common Multiple of 338 and 346 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 346, than apply into the LCM equation.

GCF(338,346) = 2
LCM(338,346) = ( 338 × 346) / 2
LCM(338,346) = 116948 / 2
LCM(338,346) = 58474

Least Common Multiple (LCM) of 338 and 346 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 338 and 346. First we will calculate the prime factors of 338 and 346.

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 346

Prime factors of 346 are 2, 173. Prime factorization of 346 in exponential form is:

346 = 21 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 338 and 346.

LCM(338,346) = 21 × 132 × 1731
LCM(338,346) = 58474