Question

Scrieti numerele naturale de la 1 la 30 ca produs de doi factori.
Gasiti toate solutiile diferite.

Answer 1

1=1x1
2=2x1
3=3x1
4=2x2=4x1
5=5x1
6=2x3=6x1
7=7x1
8=4x2=8x1
9=3x3=9x110=2x5
11=11x1
12=4x3=6x2=12x1
13=13x1
14=7x2=14x1
15=5x3=15x1
16=8x2=16x1=4x4
17=17x1
18=6x3=2x9=18x1
19=19x1
20=5x4=2x10=20x1
21=7x3=21x1
22=11x2=22x1
23=23x1
24=6x4=12x2=24x1=8x3
25=5x5=25x1
26=13x2=26x1
27=9x3=27x1
28=14x2=7x4=28x1
29=29x1
30=10x3=15x2=6x5=30x1

Mult succes! Astept coronita!