Q: Is 1,006,638 a Prime Number?
A: No, 1,006,638 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 1006638 can be evenly divided by 1 2 3 6 17 34 51 71 102 139 142 213 278 417 426 834 1,207 2,363 2,414 3,621 4,726 7,089 7,242 9,869 14,178 19,738 29,607 59,214 167,773 335,546 503,319 and 1,006,638, with no remainder.
Since 1,006,638 cannot be divided by just 1 and 1,006,638, it is not a prime number.