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What is the Least Common Multiple of 730 and 744?

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 730 and 744 is 271560.

LCM(730,744) = 271560

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Least Common Multiple of 730 and 744 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 730 and 744, than apply into the LCM equation.

GCF(730,744) = 2
LCM(730,744) = ( 730 × 744) / 2
LCM(730,744) = 543120 / 2
LCM(730,744) = 271560

Least Common Multiple (LCM) of 730 and 744 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 730 and 744. First we will calculate the prime factors of 730 and 744.

Prime Factorization of 730

Prime factors of 730 are 2, 5, 73. Prime factorization of 730 in exponential form is:

730 = 21 × 51 × 731

Prime Factorization of 744

Prime factors of 744 are 2, 3, 31. Prime factorization of 744 in exponential form is:

744 = 23 × 31 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 730 and 744.

LCM(730,744) = 23 × 51 × 731 × 31 × 311
LCM(730,744) = 271560