Q: Is 321,930 a Prime Number?
A: No, 321,930 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 321930 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 73 90 98 105 126 146 147 210 219 245 294 315 365 438 441 490 511 630 657 730 735 882 1,022 1,095 1,314 1,470 1,533 2,190 2,205 2,555 3,066 3,285 3,577 4,410 4,599 5,110 6,570 7,154 7,665 9,198 10,731 15,330 17,885 21,462 22,995 32,193 35,770 45,990 53,655 64,386 107,310 160,965 and 321,930, with no remainder.
Since 321,930 cannot be divided by just 1 and 321,930, it is not a prime number.