What is the Least Common Multiple of 71721 and 71727?

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 71721 and 71727 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71721 and 71727, than apply into the LCM equation.

GCF(71721,71727) = 3
LCM(71721,71727) = ( 71721 × 71727) / 3
LCM(71721,71727) = 5144332167 / 3
LCM(71721,71727) = 1714777389

Least Common Multiple (LCM) of 71721 and 71727 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71721 and 71727. First we will calculate the prime factors of 71721 and 71727.

Prime Factorization of 71721

Prime Factorization of 71727

Now multiplying the highest exponent prime factors to calculate the LCM of 71721 and 71727.

LCM(71721,71727) = 3² × 13¹ × 613¹ × 23909¹
LCM(71721,71727) = 1714777389