Q: Is 1,607,408 a Prime Number?
A: No, 1,607,408 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 1607408 can be evenly divided by 1 2 4 8 11 16 22 44 88 176 9,133 18,266 36,532 73,064 100,463 146,128 200,926 401,852 803,704 and 1,607,408, with no remainder.
Since 1,607,408 cannot be divided by just 1 and 1,607,408, it is not a prime number.