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What is the Least Common Multiple of 320 and 334?

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 320 and 334 is 53440.

LCM(320,334) = 53440

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Least Common Multiple of 320 and 334 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 320 and 334, than apply into the LCM equation.

GCF(320,334) = 2
LCM(320,334) = ( 320 × 334) / 2
LCM(320,334) = 106880 / 2
LCM(320,334) = 53440

Least Common Multiple (LCM) of 320 and 334 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 320 and 334. First we will calculate the prime factors of 320 and 334.

Prime Factorization of 320

Prime factors of 320 are 2, 5. Prime factorization of 320 in exponential form is:

320 = 26 × 51

Prime Factorization of 334

Prime factors of 334 are 2, 167. Prime factorization of 334 in exponential form is:

334 = 21 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 320 and 334.

LCM(320,334) = 26 × 51 × 1671
LCM(320,334) = 53440