Q: Is 261,740 a Prime Number?
A: No, 261,740 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 261740 can be evenly divided by 1 2 4 5 10 20 23 46 92 115 230 460 569 1,138 2,276 2,845 5,690 11,380 13,087 26,174 52,348 65,435 130,870 and 261,740, with no remainder.
Since 261,740 cannot be divided by just 1 and 261,740, it is not a prime number.