Question

Decomponha os números primos :

a) 198| b) 220| c) 40;60|
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d) 16;20| e)80;90|
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Answer 1

a)
198/2
99/3
33/3
11/11
1            2x3²x11
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b
220|2
110|2
55|5
11|11
1        2²x5x11
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c)
40, 60|2
20, 30|2
10, 15|2
5, 15|3
5, 5|5
1, 1       2³x3x5
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d)
16, 20|2
8, 10|2
4, 5|2
2, 5|2
1, 5|5
1, 1     2⁴x5
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e)
80, 90|2
40, 45|2
20, 45|2
10, 45|2
5, 5|3
5, 15|3
5, 5|5
1, 1            2⁴x3²x5
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Forte abraço!