Q: Is 320,672 a Prime Number?
A: No, 320,672 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 320672 can be evenly divided by 1 2 4 8 11 16 22 32 44 88 176 352 911 1,822 3,644 7,288 10,021 14,576 20,042 29,152 40,084 80,168 160,336 and 320,672, with no remainder.
Since 320,672 cannot be divided by just 1 and 320,672, it is not a prime number.