Q: Is 425,718 a Prime Number?
A: No, 425,718 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 425718 can be evenly divided by 1 2 3 6 9 18 67 134 201 353 402 603 706 1,059 1,206 2,118 3,177 6,354 23,651 47,302 70,953 141,906 212,859 and 425,718, with no remainder.
Since 425,718 cannot be divided by just 1 and 425,718, it is not a prime number.