What is the Least Common Multiple of 721 and 734?
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 721 and 734 is 529214.
LCM(721,734) = 529214
Least Common Multiple of 721 and 734 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 721 and 734, than apply into the LCM equation.
GCF(721,734) = 1
LCM(721,734) = ( 721 × 734) / 1
LCM(721,734) = 529214 / 1
LCM(721,734) = 529214
Least Common Multiple (LCM) of 721 and 734 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 721 and 734. First we will calculate the prime factors of 721 and 734.
Prime Factorization of 721
Prime factors of 721 are 7, 103. Prime factorization of 721 in exponential form is:
721 = 71 × 1031
Prime Factorization of 734
Prime factors of 734 are 2, 367. Prime factorization of 734 in exponential form is:
734 = 21 × 3671
Now multiplying the highest exponent prime factors to calculate the LCM of 721 and 734.
LCM(721,734) = 71 × 1031 × 21 × 3671
LCM(721,734) = 529214
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