2200
105
27
2468101214161820222426283032343638404244464850525456586062646866707274767880828486889092949698100
-11
141
115
4 and 11.
-5 and -10
If your question is: What multiplies to 15? Answer: (1 x 15) (3 x 5)
As a product of its prime factors: 2*2*5*5 = 100
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