What is the Least Common Multiple of 68778 and 68784?

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 68778 and 68784 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68778 and 68784, than apply into the LCM equation.

GCF(68778,68784) = 6
LCM(68778,68784) = ( 68778 × 68784) / 6
LCM(68778,68784) = 4730825952 / 6
LCM(68778,68784) = 788470992

Least Common Multiple (LCM) of 68778 and 68784 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68778 and 68784. First we will calculate the prime factors of 68778 and 68784.

Prime Factorization of 68778

Prime Factorization of 68784

Now multiplying the highest exponent prime factors to calculate the LCM of 68778 and 68784.

LCM(68778,68784) = 2⁴ × 3² × 3821¹ × 1433¹
LCM(68778,68784) = 788470992