Q: Is 1,125,003 a Prime Number?
A: No, 1,125,003 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 1125003 can be evenly divided by 1 3 11 33 73 219 467 803 1,401 2,409 5,137 15,411 34,091 102,273 375,001 and 1,125,003, with no remainder.
Since 1,125,003 cannot be divided by just 1 and 1,125,003, it is not a prime number.