What is the Least Common Multiple of 2656 and 2668?

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 2656 and 2668 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2656 and 2668, than apply into the LCM equation.

GCF(2656,2668) = 4
LCM(2656,2668) = ( 2656 × 2668) / 4
LCM(2656,2668) = 7086208 / 4
LCM(2656,2668) = 1771552

Least Common Multiple (LCM) of 2656 and 2668 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2656 and 2668. First we will calculate the prime factors of 2656 and 2668.

Prime Factorization of 2656

Prime Factorization of 2668

Now multiplying the highest exponent prime factors to calculate the LCM of 2656 and 2668.

LCM(2656,2668) = 2⁵ × 83¹ × 23¹ × 29¹
LCM(2656,2668) = 1771552