Q: Is 31,040 a Prime Number?
A: No, 31,040 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 31040 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 97 160 194 320 388 485 776 970 1,552 1,940 3,104 3,880 6,208 7,760 15,520 and 31,040, with no remainder.
Since 31,040 cannot be divided by just 1 and 31,040, it is not a prime number.