Q: Is 261,940 a Prime Number?
A: No, 261,940 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 261940 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 1,871 3,742 7,484 9,355 13,097 18,710 26,194 37,420 52,388 65,485 130,970 and 261,940, with no remainder.
Since 261,940 cannot be divided by just 1 and 261,940, it is not a prime number.