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What is the Least Common Multiple of 741 and 753?

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 741 and 753 is 185991.

LCM(741,753) = 185991

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Least Common Multiple of 741 and 753 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 741 and 753, than apply into the LCM equation.

GCF(741,753) = 3
LCM(741,753) = ( 741 × 753) / 3
LCM(741,753) = 557973 / 3
LCM(741,753) = 185991

Least Common Multiple (LCM) of 741 and 753 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 741 and 753. First we will calculate the prime factors of 741 and 753.

Prime Factorization of 741

Prime factors of 741 are 3, 13, 19. Prime factorization of 741 in exponential form is:

741 = 31 × 131 × 191

Prime Factorization of 753

Prime factors of 753 are 3, 251. Prime factorization of 753 in exponential form is:

753 = 31 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 741 and 753.

LCM(741,753) = 31 × 131 × 191 × 2511
LCM(741,753) = 185991