Q: Is 243,342 a Prime Number?
A: No, 243,342 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 243342 can be evenly divided by 1 2 3 6 9 11 18 22 33 66 99 198 1,229 2,458 3,687 7,374 11,061 13,519 22,122 27,038 40,557 81,114 121,671 and 243,342, with no remainder.
Since 243,342 cannot be divided by just 1 and 243,342, it is not a prime number.