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What is the Least Common Multiple of 716 and 732?

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 716 and 732 is 131028.

LCM(716,732) = 131028

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Least Common Multiple of 716 and 732 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 716 and 732, than apply into the LCM equation.

GCF(716,732) = 4
LCM(716,732) = ( 716 × 732) / 4
LCM(716,732) = 524112 / 4
LCM(716,732) = 131028

Least Common Multiple (LCM) of 716 and 732 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 716 and 732. First we will calculate the prime factors of 716 and 732.

Prime Factorization of 716

Prime factors of 716 are 2, 179. Prime factorization of 716 in exponential form is:

716 = 22 × 1791

Prime Factorization of 732

Prime factors of 732 are 2, 3, 61. Prime factorization of 732 in exponential form is:

732 = 22 × 31 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 716 and 732.

LCM(716,732) = 22 × 1791 × 31 × 611
LCM(716,732) = 131028