What is the Least Common Multiple of 1154 and 1166?

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 1154 and 1166 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1154 and 1166, than apply into the LCM equation.

GCF(1154,1166) = 2
LCM(1154,1166) = ( 1154 × 1166) / 2
LCM(1154,1166) = 1345564 / 2
LCM(1154,1166) = 672782

Least Common Multiple (LCM) of 1154 and 1166 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1154 and 1166. First we will calculate the prime factors of 1154 and 1166.

Prime Factorization of 1154

Prime Factorization of 1166

Now multiplying the highest exponent prime factors to calculate the LCM of 1154 and 1166.

LCM(1154,1166) = 2¹ × 577¹ × 11¹ × 53¹
LCM(1154,1166) = 672782