Q: Is 555,880 a Prime Number?
A: No, 555,880 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 555880 can be evenly divided by 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 1,069 2,138 4,276 5,345 8,552 10,690 13,897 21,380 27,794 42,760 55,588 69,485 111,176 138,970 277,940 and 555,880, with no remainder.
Since 555,880 cannot be divided by just 1 and 555,880, it is not a prime number.