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What is the Least Common Multiple of 712 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 712 and 732 is 130296.

LCM(712,732) = 130296

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Least Common Multiple of 712 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 712 and 732, than apply into the LCM equation.

GCF(712,732) = 4
LCM(712,732) = ( 712 × 732) / 4
LCM(712,732) = 521184 / 4
LCM(712,732) = 130296

Least Common Multiple (LCM) of 712 and 732 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 712 and 732. First we will calculate the prime factors of 712 and 732.

Prime Factorization of 712

Prime factors of 712 are 2, 89. Prime factorization of 712 in exponential form is:

712 = 23 × 891

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 712 and 732.

LCM(712,732) = 23 × 891 × 31 × 611
LCM(712,732) = 130296