What is the Least Common Multiple of 68556 and 68568?

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 68556 and 68568 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68556 and 68568, than apply into the LCM equation.

GCF(68556,68568) = 12
LCM(68556,68568) = ( 68556 × 68568) / 12
LCM(68556,68568) = 4700747808 / 12
LCM(68556,68568) = 391728984

Least Common Multiple (LCM) of 68556 and 68568 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68556 and 68568. First we will calculate the prime factors of 68556 and 68568.

Prime Factorization of 68556

Prime Factorization of 68568

Now multiplying the highest exponent prime factors to calculate the LCM of 68556 and 68568.

LCM(68556,68568) = 2³ × 3¹ × 29¹ × 197¹ × 2857¹
LCM(68556,68568) = 391728984