What is the Least Common Multiple of 68243 and 68248?

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 68243 and 68248 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68243 and 68248, than apply into the LCM equation.

GCF(68243,68248) = 1
LCM(68243,68248) = ( 68243 × 68248) / 1
LCM(68243,68248) = 4657448264 / 1
LCM(68243,68248) = 4657448264

Least Common Multiple (LCM) of 68243 and 68248 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68243 and 68248. First we will calculate the prime factors of 68243 and 68248.

Prime Factorization of 68243

Prime Factorization of 68248

Now multiplying the highest exponent prime factors to calculate the LCM of 68243 and 68248.

LCM(68243,68248) = 7¹ × 9749¹ × 2³ × 19¹ × 449¹
LCM(68243,68248) = 4657448264