Q: Is 21,421,010 a Prime Number?
A: No, 21,421,010 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 21421010 can be evenly divided by 1 2 5 10 13 26 53 65 106 130 265 530 689 1,378 3,109 3,445 6,218 6,890 15,545 31,090 40,417 80,834 164,777 202,085 329,554 404,170 823,885 1,647,770 2,142,101 4,284,202 10,710,505 and 21,421,010, with no remainder.
Since 21,421,010 cannot be divided by just 1 and 21,421,010, it is not a prime number.
| Number | 21,421,008 | 21,421,009 | 21,421,011 | 21,421,012 |
| Prime? | no | no | no | no |