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What is the Least Common Multiple of 796 and 806?

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 796 and 806 is 320788.

LCM(796,806) = 320788

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Least Common Multiple of 796 and 806 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 796 and 806, than apply into the LCM equation.

GCF(796,806) = 2
LCM(796,806) = ( 796 × 806) / 2
LCM(796,806) = 641576 / 2
LCM(796,806) = 320788

Least Common Multiple (LCM) of 796 and 806 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 796 and 806. First we will calculate the prime factors of 796 and 806.

Prime Factorization of 796

Prime factors of 796 are 2, 199. Prime factorization of 796 in exponential form is:

796 = 22 × 1991

Prime Factorization of 806

Prime factors of 806 are 2, 13, 31. Prime factorization of 806 in exponential form is:

806 = 21 × 131 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 796 and 806.

LCM(796,806) = 22 × 1991 × 131 × 311
LCM(796,806) = 320788