Q: Is 1,040,640 a Prime Number?
A: No, 1,040,640 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 1040640 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 271 320 384 480 542 640 768 813 960 1,084 1,280 1,355 1,626 1,920 2,168 2,710 3,252 3,840 4,065 4,336 5,420 6,504 8,130 8,672 10,840 13,008 16,260 17,344 21,680 26,016 32,520 34,688 43,360 52,032 65,040 69,376 86,720 104,064 130,080 173,440 208,128 260,160 346,880 520,320 and 1,040,640, with no remainder.
Since 1,040,640 cannot be divided by just 1 and 1,040,640, it is not a prime number.