Q: Is 163,540 a Prime Number?
A: No, 163,540 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 163540 can be evenly divided by 1 2 4 5 10 13 17 20 26 34 37 52 65 68 74 85 130 148 170 185 221 260 340 370 442 481 629 740 884 962 1,105 1,258 1,924 2,210 2,405 2,516 3,145 4,420 4,810 6,290 8,177 9,620 12,580 16,354 32,708 40,885 81,770 and 163,540, with no remainder.
Since 163,540 cannot be divided by just 1 and 163,540, it is not a prime number.