Q: Is 1,180,005 a Prime Number?
A: No, 1,180,005 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 1180005 can be evenly divided by 1 3 5 15 97 291 485 811 1,455 2,433 4,055 12,165 78,667 236,001 393,335 and 1,180,005, with no remainder.
Since 1,180,005 cannot be divided by just 1 and 1,180,005, it is not a prime number.