Q: Is 1,031,604 a Prime Number?
A: No, 1,031,604 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 1031604 can be evenly divided by 1 2 3 4 6 7 12 14 21 28 42 84 12,281 24,562 36,843 49,124 73,686 85,967 147,372 171,934 257,901 343,868 515,802 and 1,031,604, with no remainder.
Since 1,031,604 cannot be divided by just 1 and 1,031,604, it is not a prime number.