Q: Is 205,120 a Prime Number?
A: No, 205,120 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 205120 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 641 1,282 2,564 3,205 5,128 6,410 10,256 12,820 20,512 25,640 41,024 51,280 102,560 and 205,120, with no remainder.
Since 205,120 cannot be divided by just 1 and 205,120, it is not a prime number.