Q: Is 260,428 a Prime Number?
A: No, 260,428 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 260428 can be evenly divided by 1 2 4 7 14 28 71 131 142 262 284 497 524 917 994 1,834 1,988 3,668 9,301 18,602 37,204 65,107 130,214 and 260,428, with no remainder.
Since 260,428 cannot be divided by just 1 and 260,428, it is not a prime number.