Q: Is 1,231,365 a Prime Number?
A: No, 1,231,365 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 1231365 can be evenly divided by 1 3 5 15 103 309 515 797 1,545 2,391 3,985 11,955 82,091 246,273 410,455 and 1,231,365, with no remainder.
Since 1,231,365 cannot be divided by just 1 and 1,231,365, it is not a prime number.