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What is the Least Common Multiple of 273 and 281?

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 273 and 281 is 76713.

LCM(273,281) = 76713

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Least Common Multiple of 273 and 281 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 273 and 281, than apply into the LCM equation.

GCF(273,281) = 1
LCM(273,281) = ( 273 × 281) / 1
LCM(273,281) = 76713 / 1
LCM(273,281) = 76713

Least Common Multiple (LCM) of 273 and 281 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 273 and 281. First we will calculate the prime factors of 273 and 281.

Prime Factorization of 273

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

273 = 31 × 71 × 131

Prime Factorization of 281

Prime factors of 281 are 281. Prime factorization of 281 in exponential form is:

281 = 2811

Now multiplying the highest exponent prime factors to calculate the LCM of 273 and 281.

LCM(273,281) = 31 × 71 × 131 × 2811
LCM(273,281) = 76713