Q: Is 355,740 a Prime Number?
A: No, 355,740 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 355740 can be evenly divided by 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 49 55 60 66 70 77 84 98 105 110 121 132 140 147 154 165 196 210 220 231 242 245 294 308 330 363 385 420 462 484 490 539 588 605 660 726 735 770 847 924 980 1,078 1,155 1,210 1,452 1,470 1,540 1,617 1,694 1,815 2,156 2,310 2,420 2,541 2,695 2,940 3,234 3,388 3,630 4,235 4,620 5,082 5,390 5,929 6,468 7,260 8,085 8,470 10,164 10,780 11,858 12,705 16,170 16,940 17,787 23,716 25,410 29,645 32,340 35,574 50,820 59,290 71,148 88,935 118,580 177,870 and 355,740, with no remainder.
Since 355,740 cannot be divided by just 1 and 355,740, it is not a prime number.