What is the Least Common Multiple of 5815 and 5821?

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 5815 and 5821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5815 and 5821, than apply into the LCM equation.

GCF(5815,5821) = 1
LCM(5815,5821) = ( 5815 × 5821) / 1
LCM(5815,5821) = 33849115 / 1
LCM(5815,5821) = 33849115

Least Common Multiple (LCM) of 5815 and 5821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5815 and 5821. First we will calculate the prime factors of 5815 and 5821.

Prime Factorization of 5815

Prime Factorization of 5821

Now multiplying the highest exponent prime factors to calculate the LCM of 5815 and 5821.

LCM(5815,5821) = 5¹ × 1163¹ × 5821¹
LCM(5815,5821) = 33849115