Q: Is 142,842 a Prime Number?
A: No, 142,842 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 142842 can be evenly divided by 1 2 3 6 7 14 19 21 38 42 57 114 133 179 266 358 399 537 798 1,074 1,253 2,506 3,401 3,759 6,802 7,518 10,203 20,406 23,807 47,614 71,421 and 142,842, with no remainder.
Since 142,842 cannot be divided by just 1 and 142,842, it is not a prime number.