Q: Is 1,604,607 a Prime Number?
A: No, 1,604,607 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 1604607 can be evenly divided by 1 3 19 57 28,151 84,453 534,869 and 1,604,607, with no remainder.
Since 1,604,607 cannot be divided by just 1 and 1,604,607, it is not a prime number.