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What is the Least Common Multiple of 265 and 273?

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 265 and 273 is 72345.

LCM(265,273) = 72345

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Least Common Multiple of 265 and 273 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 265 and 273, than apply into the LCM equation.

GCF(265,273) = 1
LCM(265,273) = ( 265 × 273) / 1
LCM(265,273) = 72345 / 1
LCM(265,273) = 72345

Least Common Multiple (LCM) of 265 and 273 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 265 and 273. First we will calculate the prime factors of 265 and 273.

Prime Factorization of 265

Prime factors of 265 are 5, 53. Prime factorization of 265 in exponential form is:

265 = 51 × 531

Prime Factorization of 273

Prime factors of 273 are 3, 7, 13. Prime factorization of 273 in exponential form is:

273 = 31 × 71 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 265 and 273.

LCM(265,273) = 51 × 531 × 31 × 71 × 131
LCM(265,273) = 72345