Q: Is 9,729,621 a Prime Number?
A: No, 9,729,621 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 9729621 can be evenly divided by 1 3 9 11 23 33 69 99 207 253 759 2,277 4,273 12,819 38,457 47,003 98,279 141,009 294,837 423,027 884,511 1,081,069 3,243,207 and 9,729,621, with no remainder.
Since 9,729,621 cannot be divided by just 1 and 9,729,621, it is not a prime number.