What is the Least Common Multiple of 7798 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 of 7798 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 7798 and 7818, than apply into the LCM equation.

GCF(7798,7818) = 2
LCM(7798,7818) = ( 7798 × 7818) / 2
LCM(7798,7818) = 60964764 / 2
LCM(7798,7818) = 30482382

Least Common Multiple (LCM) of 7798 and 7818 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7798 and 7818. First we will calculate the prime factors of 7798 and 7818.

Prime Factorization of 7798

Prime Factorization of 7818

Now multiplying the highest exponent prime factors to calculate the LCM of 7798 and 7818.

LCM(7798,7818) = 2¹ × 7¹ × 557¹ × 3¹ × 1303¹
LCM(7798,7818) = 30482382