Q: Is 1,265,265 a Prime Number?
A: No, 1,265,265 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 1265265 can be evenly divided by 1 3 5 9 15 31 45 93 155 279 465 907 1,395 2,721 4,535 8,163 13,605 28,117 40,815 84,351 140,585 253,053 421,755 and 1,265,265, with no remainder.
Since 1,265,265 cannot be divided by just 1 and 1,265,265, it is not a prime number.