Q: Is 2,406,640 a Prime Number?
A: No, 2,406,640 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 2406640 can be evenly divided by 1 2 4 5 8 10 16 20 40 67 80 134 268 335 449 536 670 898 1,072 1,340 1,796 2,245 2,680 3,592 4,490 5,360 7,184 8,980 17,960 30,083 35,920 60,166 120,332 150,415 240,664 300,830 481,328 601,660 1,203,320 and 2,406,640, with no remainder.
Since 2,406,640 cannot be divided by just 1 and 2,406,640, it is not a prime number.