Q: Is 1,600,624 a Prime Number?
A: No, 1,600,624 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 1600624 can be evenly divided by 1 2 4 8 16 71 142 284 568 1,136 1,409 2,818 5,636 11,272 22,544 100,039 200,078 400,156 800,312 and 1,600,624, with no remainder.
Since 1,600,624 cannot be divided by just 1 and 1,600,624, it is not a prime number.