Mathematics 0580 · IGCSE · Powers and roots

Powers and roots — practice question

Let $N = 2^4 \times 3 \times 7^5$. The relation $PN = K$ holds, with $P$ an integer and $K$ a square number.

(main)[2]

Find the least value of $P$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “21.” …