Q: Is 5,217,628 a Prime Number?
A: No, 5,217,628 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 5217628 can be evenly divided by 1 2 4 13 19 26 38 52 76 247 494 988 5,281 10,562 21,124 68,653 100,339 137,306 200,678 274,612 401,356 1,304,407 2,608,814 and 5,217,628, with no remainder.
Since 5,217,628 cannot be divided by just 1 and 5,217,628, it is not a prime number.