Q: Is 240,400 a Prime Number?
A: No, 240,400 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 240400 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 601 1,202 2,404 3,005 4,808 6,010 9,616 12,020 15,025 24,040 30,050 48,080 60,100 120,200 and 240,400, with no remainder.
Since 240,400 cannot be divided by just 1 and 240,400, it is not a prime number.