Q: Is 1,006,551 a Prime Number?
A: No, 1,006,551 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 1006551 can be evenly divided by 1 3 7 9 13 21 39 63 91 117 273 819 1,229 3,687 8,603 11,061 15,977 25,809 47,931 77,427 111,839 143,793 335,517 and 1,006,551, with no remainder.
Since 1,006,551 cannot be divided by just 1 and 1,006,551, it is not a prime number.