\(56=2^3.7\)
\(420=2^2.3.5.7\)
\(100=2^2.5^2\)
\(375=3.5^3\)
\(39=3.13\)
\(360=2^3.3^2.5\)
\(1000=2^3.5^3\)
\(56=2^3.7\\ 420=3.5.7.2^2\\ 100=2^2.5^2\\ 375=3.5^3\\ 39=3.13\\ 360=2^3.3^2.5\\ 1000=5^3.2^3\)
56 | 2
28 | 2
14 | 2
7 | 7
1 |
Vậy \(56=2^3.7\)
420 | 2
210 | 2
105 | 3
35 | 5
7 | 7
1 |
Vậy \(420=2^2.3.5.7\)
\(\)100 | 2
50 | 2
25 | 5
5 | 5
1 |
Vậy \(100=2^2.5^2\)
375 | 3
125 | 5
25 | 5
5 | 5
1 |
Vậy \(375=3.5^3\)
39 | 3
13 | 13
1 |
Vậy \(39=3.13\)
360 | 2
180 | 2
90 | 2
45 | 3
15 | 3
5 | 5
1 |
Vậy \(360=2^3.3^2.5\)
1000 | 2
500 | 2
250 | 2
125 | 5
25 | 5
5 | 5
1 |
Vậy \(1000=2^3.5^3\)