Q: Is 42,273 a Prime Number?
A: No, 42,273 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 42273 can be evenly divided by 1 3 7 9 11 21 33 61 63 77 99 183 231 427 549 671 693 1,281 2,013 3,843 4,697 6,039 14,091 and 42,273, with no remainder.
Since 42,273 cannot be divided by just 1 and 42,273, it is not a prime number.