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What is the Least Common Multiple of 320 and 337?

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 337 is 107840.

LCM(320,337) = 107840

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Least Common Multiple of 320 and 337 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 337, than apply into the LCM equation.

GCF(320,337) = 1
LCM(320,337) = ( 320 × 337) / 1
LCM(320,337) = 107840 / 1
LCM(320,337) = 107840

Least Common Multiple (LCM) of 320 and 337 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 320 and 337. First we will calculate the prime factors of 320 and 337.

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 337

Prime factors of 337 are 337. Prime factorization of 337 in exponential form is:

337 = 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 320 and 337.

LCM(320,337) = 26 × 51 × 3371
LCM(320,337) = 107840