Q: Is 128,961 a Prime Number?
A: No, 128,961 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 128961 can be evenly divided by 1 3 7 9 21 23 63 69 89 161 207 267 483 623 801 1,449 1,869 2,047 5,607 6,141 14,329 18,423 42,987 and 128,961, with no remainder.
Since 128,961 cannot be divided by just 1 and 128,961, it is not a prime number.