Q: Is 1,145,265 a Prime Number?
A: No, 1,145,265 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 1145265 can be evenly divided by 1 3 5 11 15 33 55 121 165 363 605 631 1,815 1,893 3,155 6,941 9,465 20,823 34,705 76,351 104,115 229,053 381,755 and 1,145,265, with no remainder.
Since 1,145,265 cannot be divided by just 1 and 1,145,265, it is not a prime number.