What is the Least Common Multiple of 15821 and 15839?

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 15821 and 15839 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15821 and 15839, than apply into the LCM equation.

GCF(15821,15839) = 1
LCM(15821,15839) = ( 15821 × 15839) / 1
LCM(15821,15839) = 250588819 / 1
LCM(15821,15839) = 250588819

Least Common Multiple (LCM) of 15821 and 15839 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15821 and 15839. First we will calculate the prime factors of 15821 and 15839.

Prime Factorization of 15821

Prime Factorization of 15839

Now multiplying the highest exponent prime factors to calculate the LCM of 15821 and 15839.

LCM(15821,15839) = 13¹ × 1217¹ × 47¹ × 337¹
LCM(15821,15839) = 250588819