factoring_ta

4 ms·

1. 1.▲
   by factoring_ta 9y ago

   Interesting 3 examples. Curing cancer is obviously positive progress. No-one who has cancer would prefer 19th century medicine. Spending less than 1 hour a day focusing on food seems less clear-cut. It's really good not to starve or th
2. 2.▲
   by factoring_ta 9y ago

   Good luck! You're never too old.
3. 3.▲
   by factoring_ta 9y ago

   Two things which help me in factoring in my head: To know if a number less than 100 is a prime, you just need to remember that 7 x 13 = 91. This is the only number than seems like it might be prime, but isn't. All other composite numbe