What is the Least Common Multiple of 15221 and 15236?

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 15221 and 15236 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15221 and 15236, than apply into the LCM equation.

GCF(15221,15236) = 1
LCM(15221,15236) = ( 15221 × 15236) / 1
LCM(15221,15236) = 231907156 / 1
LCM(15221,15236) = 231907156

Least Common Multiple (LCM) of 15221 and 15236 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15221 and 15236. First we will calculate the prime factors of 15221 and 15236.

Prime Factorization of 15221

Prime Factorization of 15236

Now multiplying the highest exponent prime factors to calculate the LCM of 15221 and 15236.

LCM(15221,15236) = 31¹ × 491¹ × 2² × 13¹ × 293¹
LCM(15221,15236) = 231907156