Q: Is 211,280 a Prime Number?
A: No, 211,280 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 211280 can be evenly divided by 1 2 4 5 8 10 16 19 20 38 40 76 80 95 139 152 190 278 304 380 556 695 760 1,112 1,390 1,520 2,224 2,641 2,780 5,282 5,560 10,564 11,120 13,205 21,128 26,410 42,256 52,820 105,640 and 211,280, with no remainder.
Since 211,280 cannot be divided by just 1 and 211,280, it is not a prime number.