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What is the Least Common Multiple of 272 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 272 and 281 is 76432.

LCM(272,281) = 76432

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Least Common Multiple of 272 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 272 and 281, than apply into the LCM equation.

GCF(272,281) = 1
LCM(272,281) = ( 272 × 281) / 1
LCM(272,281) = 76432 / 1
LCM(272,281) = 76432

Least Common Multiple (LCM) of 272 and 281 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 272 and 281. First we will calculate the prime factors of 272 and 281.

Prime Factorization of 272

Prime factors of 272 are 2, 17. Prime factorization of 272 in exponential form is:

272 = 24 × 171

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 272 and 281.

LCM(272,281) = 24 × 171 × 2811
LCM(272,281) = 76432