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What is the Least Common Multiple of 286 and 293?

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 286 and 293 is 83798.

LCM(286,293) = 83798

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Least Common Multiple of 286 and 293 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 286 and 293, than apply into the LCM equation.

GCF(286,293) = 1
LCM(286,293) = ( 286 × 293) / 1
LCM(286,293) = 83798 / 1
LCM(286,293) = 83798

Least Common Multiple (LCM) of 286 and 293 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 286 and 293. First we will calculate the prime factors of 286 and 293.

Prime Factorization of 286

Prime factors of 286 are 2, 11, 13. Prime factorization of 286 in exponential form is:

286 = 21 × 111 × 131

Prime Factorization of 293

Prime factors of 293 are 293. Prime factorization of 293 in exponential form is:

293 = 2931

Now multiplying the highest exponent prime factors to calculate the LCM of 286 and 293.

LCM(286,293) = 21 × 111 × 131 × 2931
LCM(286,293) = 83798