Q: Is 261,040 a Prime Number?
A: No, 261,040 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 261040 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 251 260 502 520 1,004 1,040 1,255 2,008 2,510 3,263 4,016 5,020 6,526 10,040 13,052 16,315 20,080 26,104 32,630 52,208 65,260 130,520 and 261,040, with no remainder.
Since 261,040 cannot be divided by just 1 and 261,040, it is not a prime number.