Q: Is 31,740 a Prime Number?
A: No, 31,740 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 31740 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 529 690 1,058 1,380 1,587 2,116 2,645 3,174 5,290 6,348 7,935 10,580 15,870 and 31,740, with no remainder.
Since 31,740 cannot be divided by just 1 and 31,740, it is not a prime number.