Perl 5, 63 bytes

map{$t=$n;1while($f=$t%$_<2)&&($t=int$t/$_);say if$f}2..($n=<>)

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No bonus on this because it scores very slightly better than my version with the bonus:

Perl 5, 85 bytes * 0.75 = 63.75

map{my$r;$t=$n;$r=$/.$r while($/=$t%$_)<2&&($t=int$t/$_);say"$_ 1$r"if$/<2}2..($n=<>)

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