Q: Is 25,517 a Prime Number?
A: No, 25,517 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 25517 can be evenly divided by 1 17 19 79 323 1,343 1,501 and 25,517, with no remainder.
Since 25,517 cannot be divided by just 1 and 25,517, it is not a prime number.