Завдання:
Розклади на прості множники число:
1) 12;
2) 18;
3) 21;
4) 13;
5) 24;
6) 45.
Розв'язок:
1) 12 = 2 ⋅ 2 ⋅ 3 = 2² ⋅ 3
2) 18 = 2 ⋅ 3 ⋅ 3 = 2 ⋅ 3²
3) 21 = 3 ⋅ 7
4) 13 – просте число.
5) 24 = 2 ⋅ 2 ⋅ 2 ⋅ 3 = 2³ ⋅ 3
6) 45 = 3 ⋅ 3 ⋅ 5 = 3² ⋅ 5