| 147 is a composite number. |
| Factor pairs:147 = 1 x 147, 3 x 49, or 7 x 21. |
| Factors of 147: 1, 3, 7, 21, 49, 147. |
| Prime factorization: 147 = 3 x 7 x 7, which can also be written 147 = 3 x (7^2). |
Excel file of puzzles and previous week’s factor solutions: 10 Factors 2014-06-09
This one took me nearly half an hour. Grr. Having a glass of wine just before didn’t help 🙂