Question

descompuneti in factori primi numerele a] 30; b]45; c]36; d] 120; e] 80; f]144; g]145; h] 98;i] 121; j] 325; k]420;e] 500

Answer 1

30/2
15/3
5/5
1
30=2*3*5
45/5
9/9
1
45=9*5
36/6
6/6
1
36=6*6
120/2
60/2
30/2
15/3
5/5
1
120=2 la puterea3 * 3*5
80/2
40/2 
20/2
10/2
5/5
1
80=2 la puterea 4*5
144/2
72/2
36/2
18/2
9/3
3/3
1
144=2 la puterea 4 * 3 la puterea 2 
145/5
29/29
1
145=5 * 29
98/2
49/49
1
98=2 *49 
121/121
1
121= 121 la puterea 1
325/5
65/5
13/13
1
65=5 la puterea a 2 *13
420/2
210/2
105/5
21/3
7/7
1
420=2 la puterea a 2 * 5 *3*7
500/2
250/2
125/5
25/5
5/5
1
500=2 la puterea 2 * 5 la puterea 3