Q: Is 1,223,607 a Prime Number?
A: No, 1,223,607 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 1223607 can be evenly divided by 1 3 7 11 21 33 77 231 5,297 15,891 37,079 58,267 111,237 174,801 407,869 and 1,223,607, with no remainder.
Since 1,223,607 cannot be divided by just 1 and 1,223,607, it is not a prime number.