What is the Least Common Multiple of 731 and 743?
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 731 and 743 is 543133.
LCM(731,743) = 543133
Least Common Multiple of 731 and 743 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 731 and 743, than apply into the LCM equation.
GCF(731,743) = 1
LCM(731,743) = ( 731 × 743) / 1
LCM(731,743) = 543133 / 1
LCM(731,743) = 543133
Least Common Multiple (LCM) of 731 and 743 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 731 and 743. First we will calculate the prime factors of 731 and 743.
Prime Factorization of 731
Prime factors of 731 are 17, 43. Prime factorization of 731 in exponential form is:
731 = 171 × 431
Prime Factorization of 743
Prime factors of 743 are 743. Prime factorization of 743 in exponential form is:
743 = 7431
Now multiplying the highest exponent prime factors to calculate the LCM of 731 and 743.
LCM(731,743) = 171 × 431 × 7431
LCM(731,743) = 543133
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