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What is the Least Common Multiple of 744 and 754?

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 744 and 754 is 280488.

LCM(744,754) = 280488

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Least Common Multiple of 744 and 754 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 744 and 754, than apply into the LCM equation.

GCF(744,754) = 2
LCM(744,754) = ( 744 × 754) / 2
LCM(744,754) = 560976 / 2
LCM(744,754) = 280488

Least Common Multiple (LCM) of 744 and 754 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 744 and 754. First we will calculate the prime factors of 744 and 754.

Prime Factorization of 744

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

744 = 23 × 31 × 311

Prime Factorization of 754

Prime factors of 754 are 2, 13, 29. Prime factorization of 754 in exponential form is:

754 = 21 × 131 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 744 and 754.

LCM(744,754) = 23 × 31 × 311 × 131 × 291
LCM(744,754) = 280488