A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 6088056 can be evenly divided by 1 2 3 4 6 8 12 13 19 24 26 38 39 52 57 76 78 79 104 114 152 156 158 169 228 237 247 312 316 338 456 474 494 507 632 676 741 948 988 1,014 1,027 1,352 1,482 1,501 1,896 1,976 2,028 2,054 2,964 3,002 3,081 3,211 4,056 4,108 4,503 5,928 6,004 6,162 6,422 8,216 9,006 9,633 12,008 12,324 12,844 13,351 18,012 19,266 19,513 24,648 25,688 26,702 36,024 38,532 39,026 40,053 53,404 58,539 77,064 78,052 80,106 106,808 117,078 156,104 160,212 234,156 253,669 320,424 468,312 507,338 761,007 1,014,676 1,522,014 2,029,352 3,044,028 and 6,088,056, with no remainder.
Since 6,088,056 cannot be divided by just 1 and 6,088,056, it is not a prime number.