Q: Is 1,097,865 a Prime Number?
A: No, 1,097,865 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 1097865 can be evenly divided by 1 3 5 9 15 31 45 93 155 279 465 787 1,395 2,361 3,935 7,083 11,805 24,397 35,415 73,191 121,985 219,573 365,955 and 1,097,865, with no remainder.
Since 1,097,865 cannot be divided by just 1 and 1,097,865, it is not a prime number.