Q: Is 1,604,964 a Prime Number?
A: No, 1,604,964 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 1604964 can be evenly divided by 1 2 3 4 6 12 79 158 237 316 474 948 1,693 3,386 5,079 6,772 10,158 20,316 133,747 267,494 401,241 534,988 802,482 and 1,604,964, with no remainder.
Since 1,604,964 cannot be divided by just 1 and 1,604,964, it is not a prime number.