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What is the Least Common Multiple of 708 and 726?

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 708 and 726 is 85668.

LCM(708,726) = 85668

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Least Common Multiple of 708 and 726 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 708 and 726, than apply into the LCM equation.

GCF(708,726) = 6
LCM(708,726) = ( 708 × 726) / 6
LCM(708,726) = 514008 / 6
LCM(708,726) = 85668

Least Common Multiple (LCM) of 708 and 726 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 708 and 726. First we will calculate the prime factors of 708 and 726.

Prime Factorization of 708

Prime factors of 708 are 2, 3, 59. Prime factorization of 708 in exponential form is:

708 = 22 × 31 × 591

Prime Factorization of 726

Prime factors of 726 are 2, 3, 11. Prime factorization of 726 in exponential form is:

726 = 21 × 31 × 112

Now multiplying the highest exponent prime factors to calculate the LCM of 708 and 726.

LCM(708,726) = 22 × 31 × 591 × 112
LCM(708,726) = 85668