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What is the Least Common Multiple of 259 and 268?

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 259 and 268 is 69412.

LCM(259,268) = 69412

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Least Common Multiple of 259 and 268 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 259 and 268, than apply into the LCM equation.

GCF(259,268) = 1
LCM(259,268) = ( 259 × 268) / 1
LCM(259,268) = 69412 / 1
LCM(259,268) = 69412

Least Common Multiple (LCM) of 259 and 268 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 259 and 268. First we will calculate the prime factors of 259 and 268.

Prime Factorization of 259

Prime factors of 259 are 7, 37. Prime factorization of 259 in exponential form is:

259 = 71 × 371

Prime Factorization of 268

Prime factors of 268 are 2, 67. Prime factorization of 268 in exponential form is:

268 = 22 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 259 and 268.

LCM(259,268) = 71 × 371 × 22 × 671
LCM(259,268) = 69412