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What is the Least Common Multiple of 744 and 761?

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 761 is 566184.

LCM(744,761) = 566184

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Least Common Multiple of 744 and 761 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 761, than apply into the LCM equation.

GCF(744,761) = 1
LCM(744,761) = ( 744 × 761) / 1
LCM(744,761) = 566184 / 1
LCM(744,761) = 566184

Least Common Multiple (LCM) of 744 and 761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 744 and 761. First we will calculate the prime factors of 744 and 761.

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 761

Prime factors of 761 are 761. Prime factorization of 761 in exponential form is:

761 = 7611

Now multiplying the highest exponent prime factors to calculate the LCM of 744 and 761.

LCM(744,761) = 23 × 31 × 311 × 7611
LCM(744,761) = 566184