Q: Is 888,888 a Prime Number?
A: No, 888,888 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 888888 can be evenly divided by 1 2 3 4 6 7 8 11 12 13 14 21 22 24 26 28 33 37 39 42 44 52 56 66 74 77 78 84 88 91 104 111 132 143 148 154 156 168 182 222 231 259 264 273 286 296 308 312 364 407 429 444 462 481 518 546 572 616 728 777 814 858 888 924 962 1,001 1,036 1,092 1,144 1,221 1,443 1,554 1,628 1,716 1,848 1,924 2,002 2,072 2,184 2,442 2,849 2,886 3,003 3,108 3,256 3,367 3,432 3,848 4,004 4,884 5,291 5,698 5,772 6,006 6,216 6,734 8,008 8,547 9,768 10,101 10,582 11,396 11,544 12,012 13,468 15,873 17,094 20,202 21,164 22,792 24,024 26,936 31,746 34,188 37,037 40,404 42,328 63,492 68,376 74,074 80,808 111,111 126,984 148,148 222,222 296,296 444,444 and 888,888, with no remainder.
Since 888,888 cannot be divided by just 1 and 888,888, it is not a prime number.