What is the Least Common Multiple of 71231 and 71243?

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 71231 and 71243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71231 and 71243, than apply into the LCM equation.

GCF(71231,71243) = 1
LCM(71231,71243) = ( 71231 × 71243) / 1
LCM(71231,71243) = 5074710133 / 1
LCM(71231,71243) = 5074710133

Least Common Multiple (LCM) of 71231 and 71243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71231 and 71243. First we will calculate the prime factors of 71231 and 71243.

Prime Factorization of 71231

Prime Factorization of 71243

Now multiplying the highest exponent prime factors to calculate the LCM of 71231 and 71243.

LCM(71231,71243) = 19¹ × 23¹ × 163¹ × 191¹ × 373¹
LCM(71231,71243) = 5074710133