They are: 1*89*1 = 89
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3*300
The factor pairs of 144 are (144,1)(72,2)(48,3)(36,4)(24,6)(18,8)(16,9)(12,12) None of them add up to or have a difference of 3.
1 x 1323, 3 x 441, 7 x 189, 9 x 147, 21 x 63, 27 x 49.
378 or 2*189 or 2*3*89. 89 is prime.
2 x 3 = 6