Q: Is 1,000,640 a Prime Number?
A: No, 1,000,640 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 1000640 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 53 59 64 80 106 118 160 212 236 265 295 320 424 472 530 590 848 944 1,060 1,180 1,696 1,888 2,120 2,360 3,127 3,392 3,776 4,240 4,720 6,254 8,480 9,440 12,508 15,635 16,960 18,880 25,016 31,270 50,032 62,540 100,064 125,080 200,128 250,160 500,320 and 1,000,640, with no remainder.
Since 1,000,640 cannot be divided by just 1 and 1,000,640, it is not a prime number.