What is the Least Common Multiple of 31646 and 31666?

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 31646 and 31666 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31646 and 31666, than apply into the LCM equation.

GCF(31646,31666) = 2
LCM(31646,31666) = ( 31646 × 31666) / 2
LCM(31646,31666) = 1002102236 / 2
LCM(31646,31666) = 501051118

Least Common Multiple (LCM) of 31646 and 31666 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31646 and 31666. First we will calculate the prime factors of 31646 and 31666.

Prime Factorization of 31646

Prime Factorization of 31666

Now multiplying the highest exponent prime factors to calculate the LCM of 31646 and 31666.

LCM(31646,31666) = 2¹ × 15823¹ × 71¹ × 223¹
LCM(31646,31666) = 501051118