Q: Is 243,075 a Prime Number?
A: No, 243,075 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 243075 can be evenly divided by 1 3 5 7 15 21 25 35 75 105 175 463 525 1,389 2,315 3,241 6,945 9,723 11,575 16,205 34,725 48,615 81,025 and 243,075, with no remainder.
Since 243,075 cannot be divided by just 1 and 243,075, it is not a prime number.