171.64.78.120 = 102435840
factor 102435840
102435840: 171 64 78 120
bzzt
factor 171
171: 3 3 19
factor 64
64: 2 2 2 2 2 2
factor 78
78: 2 3 13
factor 120
120: 2 2 2 3 5
factor 102435840
102435840: 2 2 2 2 2 2 2 2 2 2 3 3 3 3 5 13 19
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