Q: Is 697,408 a Prime Number?
A: No, 697,408 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 697408 can be evenly divided by 1 2 4 8 16 17 32 34 64 68 136 272 544 641 1,088 1,282 2,564 5,128 10,256 10,897 20,512 21,794 41,024 43,588 87,176 174,352 348,704 and 697,408, with no remainder.
Since 697,408 cannot be divided by just 1 and 697,408, it is not a prime number.