Q: Is 9,509,478 a Prime Number?
A: No, 9,509,478 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 9509478 can be evenly divided by 1 2 3 6 11 22 33 66 149 298 447 894 967 1,639 1,934 2,901 3,278 4,917 5,802 9,834 10,637 21,274 31,911 63,822 144,083 288,166 432,249 864,498 1,584,913 3,169,826 4,754,739 and 9,509,478, with no remainder.
Since 9,509,478 cannot be divided by just 1 and 9,509,478, it is not a prime number.