Math
2006-12-17 11:06:35 · 8 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
+/-2, +/-4, +/-5 , +/-10 are all the proper factors of 20 inZ.(integers)
2006-12-17 23:52:15 · answer #1 · answered by grassu a 3 · 0⤊ 0⤋
The proper factors of 20 are:
2 4 5 10
1 and 20 are NOT proper factors. They are factors but not proper factors.
See the link to MathWorld.
http://mathworld.wolfram.com/ProperFactor.html
2006-12-17 19:12:32 · answer #2 · answered by Northstar 7 · 2⤊ 0⤋
1, 2, 4, 5, 10, 20
2006-12-17 19:09:34 · answer #3 · answered by aeiou 7 · 0⤊ 0⤋
1, 2, 4, 5, 10, 20
2006-12-17 19:08:57 · answer #4 · answered by Anonymous · 0⤊ 0⤋
1 and 20
2 and 10
4 and 5
2006-12-17 19:08:23 · answer #5 · answered by Zhukov 4 · 0⤊ 1⤋
1,2,4,5,10,20
2006-12-17 19:12:57 · answer #6 · answered by George G 5 · 0⤊ 0⤋
1,20,2,10,4,5
2006-12-17 19:09:10 · answer #7 · answered by jay b 3 · 0⤊ 0⤋
Duh. 2 and 5.
2006-12-17 19:08:50 · answer #8 · answered by Anonymous · 0⤊ 1⤋