What is the Least Common Multiple of 26715 and 26721?

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 26715 and 26721 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26715 and 26721, than apply into the LCM equation.

GCF(26715,26721) = 3
LCM(26715,26721) = ( 26715 × 26721) / 3
LCM(26715,26721) = 713851515 / 3
LCM(26715,26721) = 237950505

Least Common Multiple (LCM) of 26715 and 26721 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26715 and 26721. First we will calculate the prime factors of 26715 and 26721.

Prime Factorization of 26715

Prime Factorization of 26721

Now multiplying the highest exponent prime factors to calculate the LCM of 26715 and 26721.

LCM(26715,26721) = 3² × 5¹ × 13¹ × 137¹ × 2969¹
LCM(26715,26721) = 237950505