Q: Is 1,270,521 a Prime Number?
A: No, 1,270,521 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 1270521 can be evenly divided by 1 3 7 9 21 43 49 63 67 129 147 201 301 387 441 469 603 903 1,407 2,107 2,709 2,881 3,283 4,221 6,321 8,643 9,849 18,963 20,167 25,929 29,547 60,501 141,169 181,503 423,507 and 1,270,521, with no remainder.
Since 1,270,521 cannot be divided by just 1 and 1,270,521, it is not a prime number.