Q: Is 243,675 a Prime Number?
A: No, 243,675 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 243675 can be evenly divided by 1 3 5 9 15 19 25 27 45 57 75 95 135 171 225 285 361 475 513 675 855 1,083 1,425 1,805 2,565 3,249 4,275 5,415 9,025 9,747 12,825 16,245 27,075 48,735 81,225 and 243,675, with no remainder.
Since 243,675 cannot be divided by just 1 and 243,675, it is not a prime number.