A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 9542560 can be evenly divided by 1 2 4 5 8 10 16 19 20 32 38 40 43 73 76 80 86 95 146 152 160 172 190 215 292 304 344 365 380 430 584 608 688 730 760 817 860 1,168 1,376 1,387 1,460 1,520 1,634 1,720 2,336 2,774 2,920 3,040 3,139 3,268 3,440 4,085 5,548 5,840 6,278 6,536 6,880 6,935 8,170 11,096 11,680 12,556 13,072 13,870 15,695 16,340 22,192 25,112 26,144 27,740 31,390 32,680 44,384 50,224 55,480 59,641 62,780 65,360 100,448 110,960 119,282 125,560 130,720 221,920 238,564 251,120 298,205 477,128 502,240 596,410 954,256 1,192,820 1,908,512 2,385,640 4,771,280 and 9,542,560, with no remainder.
Since 9,542,560 cannot be divided by just 1 and 9,542,560, it is not a prime number.