Q: Is 245,637 a Prime Number?
A: No, 245,637 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 245637 can be evenly divided by 1 3 7 9 21 49 63 147 441 557 1,671 3,899 5,013 11,697 27,293 35,091 81,879 and 245,637, with no remainder.
Since 245,637 cannot be divided by just 1 and 245,637, it is not a prime number.