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What is the Least Common Multiple of 275 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 275 and 291 is 80025.

LCM(275,291) = 80025

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Least Common Multiple of 275 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 275 and 291, than apply into the LCM equation.

GCF(275,291) = 1
LCM(275,291) = ( 275 × 291) / 1
LCM(275,291) = 80025 / 1
LCM(275,291) = 80025

Least Common Multiple (LCM) of 275 and 291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 275 and 291. First we will calculate the prime factors of 275 and 291.

Prime Factorization of 275

Prime factors of 275 are 5, 11. Prime factorization of 275 in exponential form is:

275 = 52 × 111

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 275 and 291.

LCM(275,291) = 52 × 111 × 31 × 971
LCM(275,291) = 80025