What is the Least Common Multiple of 68115 and 68123?

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 68115 and 68123 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68115 and 68123, than apply into the LCM equation.

GCF(68115,68123) = 1
LCM(68115,68123) = ( 68115 × 68123) / 1
LCM(68115,68123) = 4640198145 / 1
LCM(68115,68123) = 4640198145

Least Common Multiple (LCM) of 68115 and 68123 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68115 and 68123. First we will calculate the prime factors of 68115 and 68123.

Prime Factorization of 68115

Prime Factorization of 68123

Now multiplying the highest exponent prime factors to calculate the LCM of 68115 and 68123.

LCM(68115,68123) = 3¹ × 5¹ × 19¹ × 239¹ × 11² × 563¹
LCM(68115,68123) = 4640198145