What is the Least Common Multiple of 26705 and 26720?

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 26705 and 26720 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26705 and 26720, than apply into the LCM equation.

GCF(26705,26720) = 5
LCM(26705,26720) = ( 26705 × 26720) / 5
LCM(26705,26720) = 713557600 / 5
LCM(26705,26720) = 142711520

Least Common Multiple (LCM) of 26705 and 26720 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26705 and 26720. First we will calculate the prime factors of 26705 and 26720.

Prime Factorization of 26705

Prime Factorization of 26720

Now multiplying the highest exponent prime factors to calculate the LCM of 26705 and 26720.

LCM(26705,26720) = 5¹ × 7² × 109¹ × 2⁵ × 167¹
LCM(26705,26720) = 142711520