What is the Least Common Multiple of 3243 and 3257?

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 3243 and 3257 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3243 and 3257, than apply into the LCM equation.

GCF(3243,3257) = 1
LCM(3243,3257) = ( 3243 × 3257) / 1
LCM(3243,3257) = 10562451 / 1
LCM(3243,3257) = 10562451

Least Common Multiple (LCM) of 3243 and 3257 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3243 and 3257. First we will calculate the prime factors of 3243 and 3257.

Prime Factorization of 3243

Prime Factorization of 3257

Now multiplying the highest exponent prime factors to calculate the LCM of 3243 and 3257.

LCM(3243,3257) = 3¹ × 23¹ × 47¹ × 3257¹
LCM(3243,3257) = 10562451