105 and Level 4

105 is a composite number. 105 = 1 x 105, 3 x 35, 5 x 21, 7 x 15. Factors of 105: 1, 3, 5, 7, 15, 21, 35, 105. Prime factorization: 105 = 3 x 5 x 7.

105 is never a clue in the FIND THE FACTORS puzzles.

2014-17 Level 4

This week’s puzzles and last week’s solutions: 10 Factors 2014-04-28

2014-17 Level 4 Logic