Q: Is 261,420 a Prime Number?
A: No, 261,420 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 261420 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 4,357 8,714 13,071 17,428 21,785 26,142 43,570 52,284 65,355 87,140 130,710 and 261,420, with no remainder.
Since 261,420 cannot be divided by just 1 and 261,420, it is not a prime number.