Question

Decompor em fatores primos os números 36,40,48,72,80,45,60,28,125,154,220 e 312

Me ajudem!!

Answer 1

36/2 = 16
16/2 = 8
8/2 = 4
4/2 = 2
2/2 = 1
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40/2 = 20
20/2 = 10
10/2 = 5
5/5 = 1
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48/2 = 24
24/2 = 12
12/2 = 6
6/2 = 3
3/3 = 1
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72/2 = 36
36/2 = 16
16/2 = 8
8/2 = 4
4/2 = 2
2/2 = 1
________
80/2 = 40
40/2 = 20
20/2 = 10
10/2 = 5
5/5 = 1
________
45/3 = 15
15/3 = 5
5/5 = 1
________
60/2 = 30
30/2 = 15
15/3 = 5
5/5 = 1
________
28/2 = 14
14/2 = 7
7/7 = 1
________
125/5 = 25
25/5 = 5
5/5 = 1
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154/2 = 77
77/7 = 11
11/11 = 1
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220/2 = 110
110/2 = 55
55/5 = 11
11/11 = 1
________
312/2= 156
156/2 = 78
78/2 = 39
39/3 = 13
13/13 = 1
_________
Os números 2, 3, 5, 7, 11, 13, são primos.