Q: Is 1,355,940 a Prime Number?
A: No, 1,355,940 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 1355940 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 27 30 31 36 45 54 60 62 81 90 93 108 124 135 155 162 180 186 243 270 279 310 324 372 405 465 486 540 558 620 729 810 837 930 972 1,116 1,215 1,395 1,458 1,620 1,674 1,860 2,187 2,430 2,511 2,790 2,916 3,348 3,645 4,185 4,374 4,860 5,022 5,580 7,290 7,533 8,370 8,748 10,044 10,935 12,555 14,580 15,066 16,740 21,870 22,599 25,110 30,132 37,665 43,740 45,198 50,220 67,797 75,330 90,396 112,995 135,594 150,660 225,990 271,188 338,985 451,980 677,970 and 1,355,940, with no remainder.
Since 1,355,940 cannot be divided by just 1 and 1,355,940, it is not a prime number.