Q: Is 402,416 a Prime Number?
A: No, 402,416 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 402416 can be evenly divided by 1 2 4 7 8 14 16 28 56 112 3,593 7,186 14,372 25,151 28,744 50,302 57,488 100,604 201,208 and 402,416, with no remainder.
Since 402,416 cannot be divided by just 1 and 402,416, it is not a prime number.