Q: Is 331,740 a Prime Number?
A: No, 331,740 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 331740 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 97 114 171 180 190 194 228 285 291 342 380 388 485 570 582 684 855 873 970 1,140 1,164 1,455 1,710 1,746 1,843 1,940 2,910 3,420 3,492 3,686 4,365 5,529 5,820 7,372 8,730 9,215 11,058 16,587 17,460 18,430 22,116 27,645 33,174 36,860 55,290 66,348 82,935 110,580 165,870 and 331,740, with no remainder.
Since 331,740 cannot be divided by just 1 and 331,740, it is not a prime number.