Q: Is 8,423,240 a Prime Number?
A: No, 8,423,240 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 8423240 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 67 70 134 140 268 280 335 449 469 536 670 898 938 1,340 1,796 1,876 2,245 2,345 2,680 3,143 3,592 3,752 4,490 4,690 6,286 8,980 9,380 12,572 15,715 17,960 18,760 25,144 30,083 31,430 60,166 62,860 120,332 125,720 150,415 210,581 240,664 300,830 421,162 601,660 842,324 1,052,905 1,203,320 1,684,648 2,105,810 4,211,620 and 8,423,240, with no remainder.
Since 8,423,240 cannot be divided by just 1 and 8,423,240, it is not a prime number.