What is the Least Common Multiple of 68320 and 68325?

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 68320 and 68325 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68320 and 68325, than apply into the LCM equation.

GCF(68320,68325) = 5
LCM(68320,68325) = ( 68320 × 68325) / 5
LCM(68320,68325) = 4667964000 / 5
LCM(68320,68325) = 933592800

Least Common Multiple (LCM) of 68320 and 68325 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68320 and 68325. First we will calculate the prime factors of 68320 and 68325.

Prime Factorization of 68320

Prime Factorization of 68325

Now multiplying the highest exponent prime factors to calculate the LCM of 68320 and 68325.

LCM(68320,68325) = 2⁵ × 5² × 7¹ × 61¹ × 3¹ × 911¹
LCM(68320,68325) = 933592800