Q: Is 1,066,240 a Prime Number?
A: No, 1,066,240 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 1066240 can be evenly divided by 1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 49 56 64 68 70 80 85 98 112 119 128 136 140 160 170 196 224 238 245 256 272 280 320 340 392 448 476 490 544 560 595 640 680 784 833 896 952 980 1,088 1,120 1,190 1,280 1,360 1,568 1,666 1,792 1,904 1,960 2,176 2,240 2,380 2,720 3,136 3,332 3,808 3,920 4,165 4,352 4,480 4,760 5,440 6,272 6,664 7,616 7,840 8,330 8,960 9,520 10,880 12,544 13,328 15,232 15,680 16,660 19,040 21,760 26,656 30,464 31,360 33,320 38,080 53,312 62,720 66,640 76,160 106,624 133,280 152,320 213,248 266,560 533,120 and 1,066,240, with no remainder.
Since 1,066,240 cannot be divided by just 1 and 1,066,240, it is not a prime number.