1) 27 = 3 * 3 * 3 = 3^3
2) 56 = 2 * 2 * 2 * 7 = 2^3 * 7
3) 625 = 5 * 5 * 5 * 5 = 5^4
4) 820 = 2 * 2 * 5 * 41 = 2^2 * 5 * 41
5) 2772 = 2 * 2 * 3 * 3 * 7 * 11 = 2^2 * 3^2 * 7 * 11
6) 702 = 2 * 3 * 3 * 3 * 13 = 2 * 3^3 * 13
7) 1224 = 2 * 2 * 2 * 3 * 3 * 17 = 2^3 * 3^2 * 17