Question

how many factors of 2000 are perfect squares.

Answer 1

2000 = 2^4 * 5^3
the number all factors is (4+1)(3+1) = 20 factors
but, i think just by manual to find the factors of 2000, are {1,2,4,5,8,10,16,20,25,40,50,80,100,125,200,250,400,500,1000,2000}

Answer 2

now, u can choice which ones are the perfect squares number