Q: Is 671,264 a Prime Number?
A: No, 671,264 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 671264 can be evenly divided by 1 2 4 8 11 16 22 32 44 88 176 352 1,907 3,814 7,628 15,256 20,977 30,512 41,954 61,024 83,908 167,816 335,632 and 671,264, with no remainder.
Since 671,264 cannot be divided by just 1 and 671,264, it is not a prime number.