Q: Is 1,521,104 a Prime Number?
A: No, 1,521,104 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 1521104 can be evenly divided by 1 2 4 8 13 16 26 52 71 103 104 142 206 208 284 412 568 824 923 1,136 1,339 1,648 1,846 2,678 3,692 5,356 7,313 7,384 10,712 14,626 14,768 21,424 29,252 58,504 95,069 117,008 190,138 380,276 760,552 and 1,521,104, with no remainder.
Since 1,521,104 cannot be divided by just 1 and 1,521,104, it is not a prime number.