Q: Is 671,904 a Prime Number?
A: No, 671,904 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 671904 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 2,333 4,666 6,999 9,332 13,998 18,664 20,997 27,996 37,328 41,994 55,992 74,656 83,988 111,984 167,976 223,968 335,952 and 671,904, with no remainder.
Since 671,904 cannot be divided by just 1 and 671,904, it is not a prime number.