Q: Is 261,522 a Prime Number?
A: No, 261,522 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 261522 can be evenly divided by 1 2 3 6 9 18 27 29 54 58 87 167 174 261 334 501 522 783 1,002 1,503 1,566 3,006 4,509 4,843 9,018 9,686 14,529 29,058 43,587 87,174 130,761 and 261,522, with no remainder.
Since 261,522 cannot be divided by just 1 and 261,522, it is not a prime number.