Is 3087 a perfect cube.
By prime factorisation we get 3087 = 7×7×7×3×3 = 73 × 32
There are three 7’s but only two 3’s so 3087 is not a perfect cube.
Square of a perfect cube is another perfect cube.
Which of the following are perfect cubes ? (i) 64 (ii) 216 (iii) 243 (iv) 1000 (v) 1728 (vi) 3087 (vii) 4608 (viii) 106480 (ix) 166375 (x) 456533
How can we find the perfect cube and what is a perfect cube