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The factor pairs of 189 are:
1 x 189
3 x 63
7 x 27
9 x 21
6x4x2
(15,3)(9,5)
7x53=371
1, 2,3,7
19 and 11
3
They can be: 27 times 5 = 135
5 and 2
5x5x5x3=375
1 and 175
3 and 41
(189,1)(63,3)(27,7)(21,9)