What is the Least Common Multiple of 729 and 741?
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 729 and 741 is 180063.
LCM(729,741) = 180063
Least Common Multiple of 729 and 741 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 729 and 741, than apply into the LCM equation.
GCF(729,741) = 3
LCM(729,741) = ( 729 × 741) / 3
LCM(729,741) = 540189 / 3
LCM(729,741) = 180063
Least Common Multiple (LCM) of 729 and 741 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 729 and 741. First we will calculate the prime factors of 729 and 741.
Prime Factorization of 729
Prime factors of 729 are 3. Prime factorization of 729 in exponential form is:
729 = 36
Prime Factorization of 741
Prime factors of 741 are 3, 13, 19. Prime factorization of 741 in exponential form is:
741 = 31 × 131 × 191
Now multiplying the highest exponent prime factors to calculate the LCM of 729 and 741.
LCM(729,741) = 36 × 131 × 191
LCM(729,741) = 180063
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