A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5774560 can be evenly divided by 1 2 4 5 8 10 11 16 17 20 22 32 34 40 44 55 68 80 85 88 110 136 160 170 176 187 193 220 272 340 352 374 386 440 544 680 748 772 880 935 965 1,360 1,496 1,544 1,760 1,870 1,930 2,123 2,720 2,992 3,088 3,281 3,740 3,860 4,246 5,984 6,176 6,562 7,480 7,720 8,492 10,615 13,124 14,960 15,440 16,405 16,984 21,230 26,248 29,920 30,880 32,810 33,968 36,091 42,460 52,496 65,620 67,936 72,182 84,920 104,992 131,240 144,364 169,840 180,455 262,480 288,728 339,680 360,910 524,960 577,456 721,820 1,154,912 1,443,640 2,887,280 and 5,774,560, with no remainder.
Since 5,774,560 cannot be divided by just 1 and 5,774,560, it is not a prime number.