Question

decomposiçao de numeros primos,os numeros sao 57,28,80 e 66

Answer 1

28:1,2,4,7,14,28
57:1,3,19,57
66:1,2,3,6,11,22,33,66
80:1,2,4,8,10,20,40,80 

Answer 2

a)

57: 57
----------
1          =  57

***********************
b)

28: 2
14: 2
7: 7
--------
1   = 2².7

*******************************
c)

80: 2
40: 2
20: 2
10: 2
5: 5
----------
1          =  2⁴.5

¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
d)

66: 2
33: 3
11: 11
-------------
1       = 2.3.11