Q: Is 261,512 a Prime Number?
A: No, 261,512 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 261512 can be evenly divided by 1 2 4 8 97 194 337 388 674 776 1,348 2,696 32,689 65,378 130,756 and 261,512, with no remainder.
Since 261,512 cannot be divided by just 1 and 261,512, it is not a prime number.