Q: Is 671,085 a Prime Number?
A: No, 671,085 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 671085 can be evenly divided by 1 3 5 9 15 27 45 81 135 405 1,657 4,971 8,285 14,913 24,855 44,739 74,565 134,217 223,695 and 671,085, with no remainder.
Since 671,085 cannot be divided by just 1 and 671,085, it is not a prime number.