166 is a composite number. |

Factor pairs: 166 = 1 x 166 or 2 x 83 |

Factors of 166: 1, 2, 83, 166 |

Prime factorization: 166 = 2 x 83 |

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Excel file of puzzles and previous week’s factor solutions: 12 Factors 2014-06-30

This one is quite easy for a level 6 because of the presence of the 1.

I hope it makes using logic to find the solution a little easier for others as well.