A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 932960 can be evenly divided by 1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 49 56 68 70 80 85 98 112 119 136 140 160 170 196 224 238 245 272 280 340 343 392 476 490 544 560 595 680 686 784 833 952 980 1,120 1,190 1,360 1,372 1,568 1,666 1,715 1,904 1,960 2,380 2,720 2,744 3,332 3,430 3,808 3,920 4,165 4,760 5,488 5,831 6,664 6,860 7,840 8,330 9,520 10,976 11,662 13,328 13,720 16,660 19,040 23,324 26,656 27,440 29,155 33,320 46,648 54,880 58,310 66,640 93,296 116,620 133,280 186,592 233,240 466,480 and 932,960, with no remainder.
Since 932,960 cannot be divided by just 1 and 932,960, it is not a prime number.