Question

What is the least perfect square which is divisble by each of 21,36 and 66 ?

Answer 1

Answer:

213444

Step-by-step explanation:

LCM of 21, 36,66 is 3*3*2*2*7*11 i.e. 3² * 2² * 7 * 11

so the smallest perfect square should be 3² * 2² * 7² * 11² =  213444.