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What is the Least Common Multiple of 736 and 742?

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 736 and 742 is 273056.

LCM(736,742) = 273056

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Least Common Multiple of 736 and 742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 736 and 742, than apply into the LCM equation.

GCF(736,742) = 2
LCM(736,742) = ( 736 × 742) / 2
LCM(736,742) = 546112 / 2
LCM(736,742) = 273056

Least Common Multiple (LCM) of 736 and 742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 736 and 742. First we will calculate the prime factors of 736 and 742.

Prime Factorization of 736

Prime factors of 736 are 2, 23. Prime factorization of 736 in exponential form is:

736 = 25 × 231

Prime Factorization of 742

Prime factors of 742 are 2, 7, 53. Prime factorization of 742 in exponential form is:

742 = 21 × 71 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 736 and 742.

LCM(736,742) = 25 × 231 × 71 × 531
LCM(736,742) = 273056