Q: Is 355,743 a Prime Number?
A: No, 355,743 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 355743 can be evenly divided by 1 3 9 29 47 87 141 261 423 841 1,363 2,523 4,089 7,569 12,267 39,527 118,581 and 355,743, with no remainder.
Since 355,743 cannot be divided by just 1 and 355,743, it is not a prime number.