What is the Least Common Multiple of 68543 and 68551?

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 68543 and 68551 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68543 and 68551, than apply into the LCM equation.

GCF(68543,68551) = 1
LCM(68543,68551) = ( 68543 × 68551) / 1
LCM(68543,68551) = 4698691193 / 1
LCM(68543,68551) = 4698691193

Least Common Multiple (LCM) of 68543 and 68551 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68543 and 68551. First we will calculate the prime factors of 68543 and 68551.

Prime Factorization of 68543

Prime Factorization of 68551

Now multiplying the highest exponent prime factors to calculate the LCM of 68543 and 68551.

LCM(68543,68551) = 68543¹ × 7² × 1399¹
LCM(68543,68551) = 4698691193