What is the Least Common Multiple of 5715 and 5721?

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 5715 and 5721 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5715 and 5721, than apply into the LCM equation.

GCF(5715,5721) = 3
LCM(5715,5721) = ( 5715 × 5721) / 3
LCM(5715,5721) = 32695515 / 3
LCM(5715,5721) = 10898505

Least Common Multiple (LCM) of 5715 and 5721 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5715 and 5721. First we will calculate the prime factors of 5715 and 5721.

Prime Factorization of 5715

Prime Factorization of 5721

Now multiplying the highest exponent prime factors to calculate the LCM of 5715 and 5721.

LCM(5715,5721) = 3² × 5¹ × 127¹ × 1907¹
LCM(5715,5721) = 10898505