Q: Is 585,400 a Prime Number?
A: No, 585,400 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 585400 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 2,927 5,854 11,708 14,635 23,416 29,270 58,540 73,175 117,080 146,350 292,700 and 585,400, with no remainder.
Since 585,400 cannot be divided by just 1 and 585,400, it is not a prime number.