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What is the Least Common Multiple of 335 and 340?

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 335 and 340 is 22780.

LCM(335,340) = 22780

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Least Common Multiple of 335 and 340 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 335 and 340, than apply into the LCM equation.

GCF(335,340) = 5
LCM(335,340) = ( 335 × 340) / 5
LCM(335,340) = 113900 / 5
LCM(335,340) = 22780

Least Common Multiple (LCM) of 335 and 340 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 335 and 340. First we will calculate the prime factors of 335 and 340.

Prime Factorization of 335

Prime factors of 335 are 5, 67. Prime factorization of 335 in exponential form is:

335 = 51 × 671

Prime Factorization of 340

Prime factors of 340 are 2, 5, 17. Prime factorization of 340 in exponential form is:

340 = 22 × 51 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 335 and 340.

LCM(335,340) = 51 × 671 × 22 × 171
LCM(335,340) = 22780