Q: Is 428,288 a Prime Number?
A: No, 428,288 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 428288 can be evenly divided by 1 2 4 7 8 14 16 28 32 56 64 112 128 224 239 256 448 478 896 956 1,673 1,792 1,912 3,346 3,824 6,692 7,648 13,384 15,296 26,768 30,592 53,536 61,184 107,072 214,144 and 428,288, with no remainder.
Since 428,288 cannot be divided by just 1 and 428,288, it is not a prime number.