Q: Is 1,607,607 a Prime Number?
A: No, 1,607,607 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 1607607 can be evenly divided by 1 3 9 27 81 89 223 267 669 801 2,007 2,403 6,021 7,209 18,063 19,847 59,541 178,623 535,869 and 1,607,607, with no remainder.
Since 1,607,607 cannot be divided by just 1 and 1,607,607, it is not a prime number.