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What is the Least Common Multiple of 9 and 29?

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 9 and 29 is 261.

LCM(9,29) = 261

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Least Common Multiple of 9 and 29 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9 and 29, than apply into the LCM equation.

GCF(9,29) = 1
LCM(9,29) = ( 9 × 29) / 1
LCM(9,29) = 261 / 1
LCM(9,29) = 261

Least Common Multiple (LCM) of 9 and 29 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9 and 29. First we will calculate the prime factors of 9 and 29.

Prime Factorization of 9

Prime factors of 9 are 3. Prime factorization of 9 in exponential form is:

9 = 32

Prime Factorization of 29

Prime factors of 29 are 29. Prime factorization of 29 in exponential form is:

29 = 291

Now multiplying the highest exponent prime factors to calculate the LCM of 9 and 29.

LCM(9,29) = 32 × 291
LCM(9,29) = 261

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