Q: Is 671,984 a Prime Number?
A: No, 671,984 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 671984 can be evenly divided by 1 2 4 8 16 41,999 83,998 167,996 335,992 and 671,984, with no remainder.
Since 671,984 cannot be divided by just 1 and 671,984, it is not a prime number.