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What is the Least Common Multiple of 272 and 291?

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 291 is 79152.

LCM(272,291) = 79152

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Least Common Multiple of 272 and 291 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 291, than apply into the LCM equation.

GCF(272,291) = 1
LCM(272,291) = ( 272 × 291) / 1
LCM(272,291) = 79152 / 1
LCM(272,291) = 79152

Least Common Multiple (LCM) of 272 and 291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 272 and 291. First we will calculate the prime factors of 272 and 291.

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 291

Prime factors of 291 are 3, 97. Prime factorization of 291 in exponential form is:

291 = 31 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 272 and 291.

LCM(272,291) = 24 × 171 × 31 × 971
LCM(272,291) = 79152