Q: Is 671,875 a Prime Number?
A: No, 671,875 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 671875 can be evenly divided by 1 5 25 43 125 215 625 1,075 3,125 5,375 15,625 26,875 134,375 and 671,875, with no remainder.
Since 671,875 cannot be divided by just 1 and 671,875, it is not a prime number.