Q: Is 140,840 a Prime Number?
A: No, 140,840 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 140840 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 503 1,006 2,012 2,515 3,521 4,024 5,030 7,042 10,060 14,084 17,605 20,120 28,168 35,210 70,420 and 140,840, with no remainder.
Since 140,840 cannot be divided by just 1 and 140,840, it is not a prime number.