Q: Is 17,640 a Prime Number?
A: No, 17,640 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 17640 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 49 56 60 63 70 72 84 90 98 105 120 126 140 147 168 180 196 210 245 252 280 294 315 360 392 420 441 490 504 588 630 735 840 882 980 1,176 1,260 1,470 1,764 1,960 2,205 2,520 2,940 3,528 4,410 5,880 8,820 and 17,640, with no remainder.
Since 17,640 cannot be divided by just 1 and 17,640, it is not a prime number.