Q: Is 265,608 a Prime Number?
A: No, 265,608 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 265608 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 17 18 21 24 28 31 34 36 42 51 56 62 63 68 72 84 93 102 119 124 126 136 153 168 186 204 217 238 248 252 279 306 357 372 408 434 476 504 527 558 612 651 714 744 868 952 1,054 1,071 1,116 1,224 1,302 1,428 1,581 1,736 1,953 2,108 2,142 2,232 2,604 2,856 3,162 3,689 3,906 4,216 4,284 4,743 5,208 6,324 7,378 7,812 8,568 9,486 11,067 12,648 14,756 15,624 18,972 22,134 29,512 33,201 37,944 44,268 66,402 88,536 132,804 and 265,608, with no remainder.
Since 265,608 cannot be divided by just 1 and 265,608, it is not a prime number.