Q: Is 1,409,408 a Prime Number?
A: No, 1,409,408 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 1409408 can be evenly divided by 1 2 4 7 8 11 13 14 16 22 26 28 32 44 52 56 64 77 88 91 104 112 121 128 143 154 176 182 208 224 242 286 308 352 364 416 448 484 572 616 704 728 832 847 896 968 1,001 1,144 1,232 1,408 1,456 1,573 1,664 1,694 1,936 2,002 2,288 2,464 2,912 3,146 3,388 3,872 4,004 4,576 4,928 5,824 6,292 6,776 7,744 8,008 9,152 9,856 11,011 11,648 12,584 13,552 15,488 16,016 18,304 22,022 25,168 27,104 32,032 44,044 50,336 54,208 64,064 88,088 100,672 108,416 128,128 176,176 201,344 352,352 704,704 and 1,409,408, with no remainder.
Since 1,409,408 cannot be divided by just 1 and 1,409,408, it is not a prime number.