Q: Is 1,604,379 a Prime Number?
A: No, 1,604,379 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 1604379 can be evenly divided by 1 3 7 19 21 57 133 399 4,021 12,063 28,147 76,399 84,441 229,197 534,793 and 1,604,379, with no remainder.
Since 1,604,379 cannot be divided by just 1 and 1,604,379, it is not a prime number.