A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 9752000 can be evenly divided by 1 2 4 5 8 10 16 20 23 25 32 40 46 50 53 64 80 92 100 106 115 125 160 184 200 212 230 250 265 320 368 400 424 460 500 530 575 736 800 848 920 1,000 1,060 1,150 1,219 1,325 1,472 1,600 1,696 1,840 2,000 2,120 2,300 2,438 2,650 2,875 3,392 3,680 4,000 4,240 4,600 4,876 5,300 5,750 6,095 6,625 7,360 8,000 8,480 9,200 9,752 10,600 11,500 12,190 13,250 16,960 18,400 19,504 21,200 23,000 24,380 26,500 30,475 36,800 39,008 42,400 46,000 48,760 53,000 60,950 78,016 84,800 92,000 97,520 106,000 121,900 152,375 184,000 195,040 212,000 243,800 304,750 390,080 424,000 487,600 609,500 975,200 1,219,000 1,950,400 2,438,000 4,876,000 and 9,752,000, with no remainder.
Since 9,752,000 cannot be divided by just 1 and 9,752,000, it is not a prime number.