Q: Is 21,231,006 a Prime Number?
A: No, 21,231,006 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 21231006 can be evenly divided by 1 2 3 6 1,439 2,459 2,878 4,317 4,918 7,377 8,634 14,754 3,538,501 7,077,002 10,615,503 and 21,231,006, with no remainder.
Since 21,231,006 cannot be divided by just 1 and 21,231,006, it is not a prime number.
| Number | 21,231,004 | 21,231,005 | 21,231,007 | 21,231,008 |
| Prime? | no | no | no | no |