Q: Is 671,005 a Prime Number?
A: No, 671,005 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 671005 can be evenly divided by 1 5 67 335 2,003 10,015 134,201 and 671,005, with no remainder.
Since 671,005 cannot be divided by just 1 and 671,005, it is not a prime number.