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What is the Least Common Multiple of 723 and 734?

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 723 and 734 is 530682.

LCM(723,734) = 530682

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Least Common Multiple of 723 and 734 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 723 and 734, than apply into the LCM equation.

GCF(723,734) = 1
LCM(723,734) = ( 723 × 734) / 1
LCM(723,734) = 530682 / 1
LCM(723,734) = 530682

Least Common Multiple (LCM) of 723 and 734 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 723 and 734. First we will calculate the prime factors of 723 and 734.

Prime Factorization of 723

Prime factors of 723 are 3, 241. Prime factorization of 723 in exponential form is:

723 = 31 × 2411

Prime Factorization of 734

Prime factors of 734 are 2, 367. Prime factorization of 734 in exponential form is:

734 = 21 × 3671

Now multiplying the highest exponent prime factors to calculate the LCM of 723 and 734.

LCM(723,734) = 31 × 2411 × 21 × 3671
LCM(723,734) = 530682