Q: Is 505,908 a Prime Number?
A: No, 505,908 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 505908 can be evenly divided by 1 2 3 4 6 9 12 13 18 23 26 36 39 46 47 52 69 78 92 94 117 138 141 156 188 207 234 276 282 299 414 423 468 564 598 611 828 846 897 1,081 1,196 1,222 1,692 1,794 1,833 2,162 2,444 2,691 3,243 3,588 3,666 4,324 5,382 5,499 6,486 7,332 9,729 10,764 10,998 12,972 14,053 19,458 21,996 28,106 38,916 42,159 56,212 84,318 126,477 168,636 252,954 and 505,908, with no remainder.
Since 505,908 cannot be divided by just 1 and 505,908, it is not a prime number.