128 is a composite number. 128 = 1 x 128, 2 x 64, 4 x 32, or 8 x 16. Factors of 128: 1, 2, 4, 8, 16, 32, 64, 128. Prime factorization: 128 = 2×2×2×2×2×2×2 which can be written 128 = 2⁷

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

Excel file of puzzles and last week’s solutions: 10 Factors 2014-05-26

2 minutes!

Level 1 just isn’t challenging enough for you! But it is just right for some people while it leaves some people too scared to even try it.

Yeah, this one didn’t take me long, but that’s good for warming up to the week ahead.

That’s a good point. Thanks.