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What is the Least Common Multiple of 702 and 717?

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 702 and 717 is 167778.

LCM(702,717) = 167778

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Least Common Multiple of 702 and 717 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 702 and 717, than apply into the LCM equation.

GCF(702,717) = 3
LCM(702,717) = ( 702 × 717) / 3
LCM(702,717) = 503334 / 3
LCM(702,717) = 167778

Least Common Multiple (LCM) of 702 and 717 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 702 and 717. First we will calculate the prime factors of 702 and 717.

Prime Factorization of 702

Prime factors of 702 are 2, 3, 13. Prime factorization of 702 in exponential form is:

702 = 21 × 33 × 131

Prime Factorization of 717

Prime factors of 717 are 3, 239. Prime factorization of 717 in exponential form is:

717 = 31 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 702 and 717.

LCM(702,717) = 21 × 33 × 131 × 2391
LCM(702,717) = 167778