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What is the Least Common Multiple of 7814 and 7818?

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 7814 and 7818 is 30544926.

LCM(7814,7818) = 30544926

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Least Common Multiple of 7814 and 7818 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7814 and 7818, than apply into the LCM equation.

GCF(7814,7818) = 2
LCM(7814,7818) = ( 7814 × 7818) / 2
LCM(7814,7818) = 61089852 / 2
LCM(7814,7818) = 30544926

Least Common Multiple (LCM) of 7814 and 7818 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7814 and 7818. First we will calculate the prime factors of 7814 and 7818.

Prime Factorization of 7814

Prime factors of 7814 are 2, 3907. Prime factorization of 7814 in exponential form is:

7814 = 21 × 39071

Prime Factorization of 7818

Prime factors of 7818 are 2, 3, 1303. Prime factorization of 7818 in exponential form is:

7818 = 21 × 31 × 13031

Now multiplying the highest exponent prime factors to calculate the LCM of 7814 and 7818.

LCM(7814,7818) = 21 × 39071 × 31 × 13031
LCM(7814,7818) = 30544926