Q: Is 8,640,216 a Prime Number?
A: No, 8,640,216 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 8640216 can be evenly divided by 1 2 3 4 6 8 9 12 13 17 18 24 26 27 34 36 39 51 52 54 68 72 78 102 104 108 117 136 153 156 181 204 216 221 234 306 312 351 362 408 442 459 468 543 612 663 702 724 884 918 936 1,086 1,224 1,326 1,404 1,448 1,629 1,768 1,836 1,989 2,172 2,353 2,652 2,808 3,077 3,258 3,672 3,978 4,344 4,706 4,887 5,304 5,967 6,154 6,516 7,059 7,956 9,231 9,412 9,774 11,934 12,308 13,032 14,118 15,912 18,462 18,824 19,548 21,177 23,868 24,616 27,693 28,236 36,924 39,096 40,001 42,354 47,736 55,386 56,472 63,531 73,848 80,002 83,079 84,708 110,772 120,003 127,062 160,004 166,158 169,416 221,544 240,006 254,124 320,008 332,316 360,009 480,012 508,248 664,632 720,018 960,024 1,080,027 1,440,036 2,160,054 2,880,072 4,320,108 and 8,640,216, with no remainder.
Since 8,640,216 cannot be divided by just 1 and 8,640,216, it is not a prime number.