Q: Is 3,405,240 a Prime Number?
A: No, 3,405,240 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 3405240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 360 405 540 648 810 1,051 1,080 1,620 2,102 3,153 3,240 4,204 5,255 6,306 8,408 9,459 10,510 12,612 15,765 18,918 21,020 25,224 28,377 31,530 37,836 42,040 47,295 56,754 63,060 75,672 85,131 94,590 113,508 126,120 141,885 170,262 189,180 227,016 283,770 340,524 378,360 425,655 567,540 681,048 851,310 1,135,080 1,702,620 and 3,405,240, with no remainder.
Since 3,405,240 cannot be divided by just 1 and 3,405,240, it is not a prime number.