Q: Is 40,400 a Prime Number?
A: No, 40,400 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 40400 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 100 101 200 202 400 404 505 808 1,010 1,616 2,020 2,525 4,040 5,050 8,080 10,100 20,200 and 40,400, with no remainder.
Since 40,400 cannot be divided by just 1 and 40,400, it is not a prime number.