What is the Least Common Multiple of 734 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 734 and 742 is 272314.
LCM(734,742) = 272314
Least Common Multiple of 734 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 734 and 742, than apply into the LCM equation.
GCF(734,742) = 2
LCM(734,742) = ( 734 × 742) / 2
LCM(734,742) = 544628 / 2
LCM(734,742) = 272314
Least Common Multiple (LCM) of 734 and 742 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 734 and 742. First we will calculate the prime factors of 734 and 742.
Prime Factorization of 734
Prime factors of 734 are 2, 367. Prime factorization of 734 in exponential form is:
734 = 21 × 3671
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 734 and 742.
LCM(734,742) = 21 × 3671 × 71 × 531
LCM(734,742) = 272314
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