Q: Is 71,540 a Prime Number?
A: No, 71,540 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 71540 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 49 70 73 98 140 146 196 245 292 365 490 511 730 980 1,022 1,460 2,044 2,555 3,577 5,110 7,154 10,220 14,308 17,885 35,770 and 71,540, with no remainder.
Since 71,540 cannot be divided by just 1 and 71,540, it is not a prime number.