Q: Is 409,472 a Prime Number?
A: No, 409,472 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 409472 can be evenly divided by 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 457 896 914 1,828 3,199 3,656 6,398 7,312 12,796 14,624 25,592 29,248 51,184 58,496 102,368 204,736 and 409,472, with no remainder.
Since 409,472 cannot be divided by just 1 and 409,472, it is not a prime number.