What is the Least Common Multiple of 10646 and 10666?

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 10646 and 10666 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10646 and 10666, than apply into the LCM equation.

GCF(10646,10666) = 2
LCM(10646,10666) = ( 10646 × 10666) / 2
LCM(10646,10666) = 113550236 / 2
LCM(10646,10666) = 56775118

Least Common Multiple (LCM) of 10646 and 10666 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10646 and 10666. First we will calculate the prime factors of 10646 and 10666.

Prime Factorization of 10646

Prime Factorization of 10666

Now multiplying the highest exponent prime factors to calculate the LCM of 10646 and 10666.

LCM(10646,10666) = 2¹ × 5323¹ × 5333¹
LCM(10646,10666) = 56775118