Factoring Numbers Worksheet

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