Q: Is 1,604,748 a Prime Number?
A: No, 1,604,748 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 1604748 can be evenly divided by 1 2 3 4 6 12 173 346 519 692 773 1,038 1,546 2,076 2,319 3,092 4,638 9,276 133,729 267,458 401,187 534,916 802,374 and 1,604,748, with no remainder.
Since 1,604,748 cannot be divided by just 1 and 1,604,748, it is not a prime number.