Q: Is 21,160 a Prime Number?
A: No, 21,160 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 21160 can be evenly divided by 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 529 920 1,058 2,116 2,645 4,232 5,290 10,580 and 21,160, with no remainder.
Since 21,160 cannot be divided by just 1 and 21,160, it is not a prime number.