Q: Is 142,845 a Prime Number?
A: No, 142,845 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 142845 can be evenly divided by 1 3 5 15 89 107 267 321 445 535 1,335 1,605 9,523 28,569 47,615 and 142,845, with no remainder.
Since 142,845 cannot be divided by just 1 and 142,845, it is not a prime number.