28 and 7
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∙ 9y ago14x14=196
-241
161
143
Two numbers that multiply to give -1 are -1 and 1.
14x14=196
-49 and -4
-241
These all give you 196: 1 x 196, 2 x 98, 4 x 49, 7 x 28, 14 x 14
161
Any of these give you 196: 1 x 196, 2 x 98, 4 x 49, 7 x 28, 14 x 14
49 and 4
49 and 4
143
Two numbers that multiply to give -1 are -1 and 1.
161
249