Q: Is 7,140 a Prime Number?
A: No, 7,140 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 7140 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1,020 1,190 1,428 1,785 2,380 3,570 and 7,140, with no remainder.
Since 7,140 cannot be divided by just 1 and 7,140, it is not a prime number.