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What is the Least Common Multiple of 7329 and 7347?

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 7329 and 7347 is 17948721.

LCM(7329,7347) = 17948721

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Least Common Multiple of 7329 and 7347 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7329 and 7347, than apply into the LCM equation.

GCF(7329,7347) = 3
LCM(7329,7347) = ( 7329 × 7347) / 3
LCM(7329,7347) = 53846163 / 3
LCM(7329,7347) = 17948721

Least Common Multiple (LCM) of 7329 and 7347 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7329 and 7347. First we will calculate the prime factors of 7329 and 7347.

Prime Factorization of 7329

Prime factors of 7329 are 3, 7, 349. Prime factorization of 7329 in exponential form is:

7329 = 31 × 71 × 3491

Prime Factorization of 7347

Prime factors of 7347 are 3, 31, 79. Prime factorization of 7347 in exponential form is:

7347 = 31 × 311 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 7329 and 7347.

LCM(7329,7347) = 31 × 71 × 3491 × 311 × 791
LCM(7329,7347) = 17948721