Q: Is 400,048 a Prime Number?
A: No, 400,048 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 400048 can be evenly divided by 1 2 4 8 11 16 22 44 88 176 2,273 4,546 9,092 18,184 25,003 36,368 50,006 100,012 200,024 and 400,048, with no remainder.
Since 400,048 cannot be divided by just 1 and 400,048, it is not a prime number.