Q: Is 142,345 a Prime Number?
A: No, 142,345 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 142345 can be evenly divided by 1 5 7 35 49 83 245 343 415 581 1,715 2,905 4,067 20,335 28,469 and 142,345, with no remainder.
Since 142,345 cannot be divided by just 1 and 142,345, it is not a prime number.