What is the Least Common Multiple of 720 and 739?
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 720 and 739 is 532080.
LCM(720,739) = 532080
Least Common Multiple of 720 and 739 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 720 and 739, than apply into the LCM equation.
GCF(720,739) = 1
LCM(720,739) = ( 720 × 739) / 1
LCM(720,739) = 532080 / 1
LCM(720,739) = 532080
Least Common Multiple (LCM) of 720 and 739 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 720 and 739. First we will calculate the prime factors of 720 and 739.
Prime Factorization of 720
Prime factors of 720 are 2, 3, 5. Prime factorization of 720 in exponential form is:
720 = 24 × 32 × 51
Prime Factorization of 739
Prime factors of 739 are 739. Prime factorization of 739 in exponential form is:
739 = 7391
Now multiplying the highest exponent prime factors to calculate the LCM of 720 and 739.
LCM(720,739) = 24 × 32 × 51 × 7391
LCM(720,739) = 532080
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