What is the Least Common Multiple of 68689 and 68697?

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 68689 and 68697 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68689 and 68697, than apply into the LCM equation.

GCF(68689,68697) = 1
LCM(68689,68697) = ( 68689 × 68697) / 1
LCM(68689,68697) = 4718728233 / 1
LCM(68689,68697) = 4718728233

Least Common Multiple (LCM) of 68689 and 68697 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68689 and 68697. First we will calculate the prime factors of 68689 and 68697.

Prime Factorization of 68689

Prime Factorization of 68697

Now multiplying the highest exponent prime factors to calculate the LCM of 68689 and 68697.

LCM(68689,68697) = 149¹ × 461¹ × 3² × 17¹ × 449¹
LCM(68689,68697) = 4718728233