Q: Is 558,400 a Prime Number?
A: No, 558,400 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 558400 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 349 400 698 800 1,396 1,600 1,745 2,792 3,490 5,584 6,980 8,725 11,168 13,960 17,450 22,336 27,920 34,900 55,840 69,800 111,680 139,600 279,200 and 558,400, with no remainder.
Since 558,400 cannot be divided by just 1 and 558,400, it is not a prime number.