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What is the Least Common Multiple of 694 and 710?

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 694 and 710 is 246370.

LCM(694,710) = 246370

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Least Common Multiple of 694 and 710 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 694 and 710, than apply into the LCM equation.

GCF(694,710) = 2
LCM(694,710) = ( 694 × 710) / 2
LCM(694,710) = 492740 / 2
LCM(694,710) = 246370

Least Common Multiple (LCM) of 694 and 710 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 694 and 710. First we will calculate the prime factors of 694 and 710.

Prime Factorization of 694

Prime factors of 694 are 2, 347. Prime factorization of 694 in exponential form is:

694 = 21 × 3471

Prime Factorization of 710

Prime factors of 710 are 2, 5, 71. Prime factorization of 710 in exponential form is:

710 = 21 × 51 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 694 and 710.

LCM(694,710) = 21 × 3471 × 51 × 711
LCM(694,710) = 246370