What is the Least Common Multiple of 729 and 747?
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 747 is 60507.
LCM(729,747) = 60507
Least Common Multiple of 729 and 747 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 747, than apply into the LCM equation.
GCF(729,747) = 9
LCM(729,747) = ( 729 × 747) / 9
LCM(729,747) = 544563 / 9
LCM(729,747) = 60507
Least Common Multiple (LCM) of 729 and 747 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 729 and 747. First we will calculate the prime factors of 729 and 747.
Prime Factorization of 729
Prime factors of 729 are 3. Prime factorization of 729 in exponential form is:
729 = 36
Prime Factorization of 747
Prime factors of 747 are 3, 83. Prime factorization of 747 in exponential form is:
747 = 32 × 831
Now multiplying the highest exponent prime factors to calculate the LCM of 729 and 747.
LCM(729,747) = 36 × 831
LCM(729,747) = 60507
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Related Least Common Multiples of 747
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