Bonsoir,
a) 16 * 25
→ 4 * 4 * 5 * 5 = 4² * 5²
b) 34 * 12
→ 2 * 17 * 3 * 2 * 2 = 2³ * 3 * 17
c) 72 * 18 * 10
→ 2 * 2 * 2 * 3 * 3 * 2 * 3 * 3 * 2 * 5 = 2⁵ * 3⁴ * 5
d) 32 * 121
→ 2 * 2 * 2 * 2 * 2 * 11 * 11 = 2⁵ * 11²
