Q: Is 1,684,240 a Prime Number?
A: No, 1,684,240 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 1684240 can be evenly divided by 1 2 4 5 8 10 16 20 37 40 74 80 148 185 296 370 569 592 740 1,138 1,480 2,276 2,845 2,960 4,552 5,690 9,104 11,380 21,053 22,760 42,106 45,520 84,212 105,265 168,424 210,530 336,848 421,060 842,120 and 1,684,240, with no remainder.
Since 1,684,240 cannot be divided by just 1 and 1,684,240, it is not a prime number.