Question

descompune în factori primi: 400,130,630,360,155,300.​

Answer 1

Răspuns:

400|2•5 400=2⁴•5²

40 | 2•5

4 | 2

2 | 2

1

130|2•5 130=2•5•13

13 |13

1

630|2•5 630=2•5•3²•7

63 | 3

21 | 7

3 | 3

1

360|2•5 360=2•5•3²•2³

36 |3

12 |3

4 |2

2 |2

1

155|5 155=5•31

31 |31

1

300|2•5 300=2²•5²•3

30 |2•5

3 |3

1