Q: Is 21,060 a Prime Number?
A: No, 21,060 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 21060 can be evenly divided by 1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 81 90 108 117 130 135 156 162 180 195 234 260 270 324 351 390 405 468 540 585 702 780 810 1,053 1,170 1,404 1,620 1,755 2,106 2,340 3,510 4,212 5,265 7,020 10,530 and 21,060, with no remainder.
Since 21,060 cannot be divided by just 1 and 21,060, it is not a prime number.