Q: Is 145,607 a Prime Number?
A: No, 145,607 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 145607 can be evenly divided by 1 7 11 31 61 77 217 341 427 671 1,891 2,387 4,697 13,237 20,801 and 145,607, with no remainder.
Since 145,607 cannot be divided by just 1 and 145,607, it is not a prime number.