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What is the Least Common Multiple of 720 and 733?

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 720 and 733 is 527760.

LCM(720,733) = 527760

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Least Common Multiple of 720 and 733 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 720 and 733, than apply into the LCM equation.

GCF(720,733) = 1
LCM(720,733) = ( 720 × 733) / 1
LCM(720,733) = 527760 / 1
LCM(720,733) = 527760

Least Common Multiple (LCM) of 720 and 733 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 720 and 733. First we will calculate the prime factors of 720 and 733.

Prime Factorization of 720

Prime factors of 720 are 2, 3, 5. Prime factorization of 720 in exponential form is:

720 = 24 × 32 × 51

Prime Factorization of 733

Prime factors of 733 are 733. Prime factorization of 733 in exponential form is:

733 = 7331

Now multiplying the highest exponent prime factors to calculate the LCM of 720 and 733.

LCM(720,733) = 24 × 32 × 51 × 7331
LCM(720,733) = 527760