What is the Least Common Multiple of 28821 and 28831?

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 28821 and 28831 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28821 and 28831, than apply into the LCM equation.

GCF(28821,28831) = 1
LCM(28821,28831) = ( 28821 × 28831) / 1
LCM(28821,28831) = 830938251 / 1
LCM(28821,28831) = 830938251

Least Common Multiple (LCM) of 28821 and 28831 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28821 and 28831. First we will calculate the prime factors of 28821 and 28831.

Prime Factorization of 28821

Prime Factorization of 28831

Now multiplying the highest exponent prime factors to calculate the LCM of 28821 and 28831.

LCM(28821,28831) = 3¹ × 13¹ × 739¹ × 11¹ × 2621¹
LCM(28821,28831) = 830938251