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Factoring Numbers Worksheet

Answers

This page shows the final answer to each problem.  You may return to the Worksheet Page to quiz yourself or have your answers checked automatically.

1
1
Answer
1
2
2
Answer
1, 2
3
10
Answer
1, 2, 5, 10
4
20
Answer
1, 2, 4, 5, 10, 20
5
18
Answer
1, 2, 3, 6, 9, 18
6
51
Answer
1, 3, 17, 51
7
44
Answer
1, 2, 4, 11, 22, 44
8
117
Answer
1, 3, 9, 13, 39, 117
9
91
Answer
1, 7, 13, 91
10
330
Answer
1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330
11
-10
Answer
-10, -5, -2, -1, 1, 2, 5, 10
12
-15
Answer
-15, -5, -3, -1, 1, 3, 5, 15
13
-39
Answer
-39, -13, -3, -1, 1, 3, 13, 39
14
-231
Answer
-231, -77, -33, -21, -11, -7, -3, -1, 1, 3, 7, 11, 21, 33, 77, 231
15
-625
Answer
-625, -125, -25, -25, -5, -1, 1, 5, 25, 25, 125, 625
16
-70
Answer
-70, -35, -14, -10, -7, -5, -2, -1, 1, 2, 5, 7, 10, 14, 35, 70
17
-78
Answer
78, -39, -26, -13, -6, -3, -2, -1, 1, 2, 3, 6, 13, 26, 39, 78
18
-110
Answer
-110, -55, -22, -11, -10, -5, -2, -1, 1, 2, 5, 10, 11, 22, 55, 110
19
-85
Answer
-85, -17, -5, -1, 1, 5, 17, 85
20
-108
Answer
-108, -54, -36, -27, -18, -12, -9, -6, -4, -3, -2, -1, 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108
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