A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 9582912 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 127 131 144 192 254 262 288 381 393 508 524 576 762 786 1,016 1,048 1,143 1,179 1,524 1,572 2,032 2,096 2,286 2,358 3,048 3,144 4,064 4,192 4,572 4,716 6,096 6,288 8,128 8,384 9,144 9,432 12,192 12,576 16,637 18,288 18,864 24,384 25,152 33,274 36,576 37,728 49,911 66,548 73,152 75,456 99,822 133,096 149,733 199,644 266,192 299,466 399,288 532,384 598,932 798,576 1,064,768 1,197,864 1,597,152 2,395,728 3,194,304 4,791,456 and 9,582,912, with no remainder.
Since 9,582,912 cannot be divided by just 1 and 9,582,912, it is not a prime number.