What is the Least Common Multiple of 2705 and 2721?

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 2705 and 2721 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2705 and 2721, than apply into the LCM equation.

GCF(2705,2721) = 1
LCM(2705,2721) = ( 2705 × 2721) / 1
LCM(2705,2721) = 7360305 / 1
LCM(2705,2721) = 7360305

Least Common Multiple (LCM) of 2705 and 2721 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2705 and 2721. First we will calculate the prime factors of 2705 and 2721.

Prime Factorization of 2705

Prime Factorization of 2721

Now multiplying the highest exponent prime factors to calculate the LCM of 2705 and 2721.

LCM(2705,2721) = 5¹ × 541¹ × 3¹ × 907¹
LCM(2705,2721) = 7360305