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What is the Least Common Multiple of 710 and 718?

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 710 and 718 is 254890.

LCM(710,718) = 254890

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Least Common Multiple of 710 and 718 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 710 and 718, than apply into the LCM equation.

GCF(710,718) = 2
LCM(710,718) = ( 710 × 718) / 2
LCM(710,718) = 509780 / 2
LCM(710,718) = 254890

Least Common Multiple (LCM) of 710 and 718 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 710 and 718. First we will calculate the prime factors of 710 and 718.

Prime Factorization of 710

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

710 = 21 × 51 × 711

Prime Factorization of 718

Prime factors of 718 are 2, 359. Prime factorization of 718 in exponential form is:

718 = 21 × 3591

Now multiplying the highest exponent prime factors to calculate the LCM of 710 and 718.

LCM(710,718) = 21 × 51 × 711 × 3591
LCM(710,718) = 254890