Q: Is 6,601,408 a Prime Number?
A: No, 6,601,408 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 6601408 can be evenly divided by 1 2 4 8 11 16 22 32 44 64 88 176 352 704 9,377 18,754 37,508 75,016 103,147 150,032 206,294 300,064 412,588 600,128 825,176 1,650,352 3,300,704 and 6,601,408, with no remainder.
Since 6,601,408 cannot be divided by just 1 and 6,601,408, it is not a prime number.