Q: Is 3,645,624 a Prime Number?
A: No, 3,645,624 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 3645624 can be evenly divided by 1 2 3 4 6 8 12 24 151,901 303,802 455,703 607,604 911,406 1,215,208 1,822,812 and 3,645,624, with no remainder.
Since 3,645,624 cannot be divided by just 1 and 3,645,624, it is not a prime number.