10 ms·
If number end in 2 or 5, is divisible by 2 or 5. So number ending in 2 or 5 cannot be prime. Math no hard to understand!
by tourist2d 3y ago
If number end in 2 or 5, is divisible by 2 or 5. So number ending in 2 or 5 cannot be prime. Math no hard to understand!
- BSEdlMMldESB 3y agobut this is only because 10 in ten in decimal system but the numbers are not (only) how they're written down! meh...
- nh23423fefe 3y agoEverything you've written is gibberish in spanish, why did you do that?
- BSEdlMMldESB 3y agocuz it happens to be the first spoken language I learned? does this answer your question? if not, maybe this can help: https://www.youtube.com/watch?v=BdOtR2A5agc https://www.youtube.com/watch?v=BdOtR2A5agc