Q: Is 3,333,666 a Prime Number?
A: No, 3,333,666 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 3333666 can be evenly divided by 1 2 3 6 7 14 17 21 23 29 34 42 46 49 51 58 69 87 98 102 119 138 147 161 174 203 238 294 322 357 391 406 483 493 609 667 714 782 833 966 986 1,127 1,173 1,218 1,334 1,421 1,479 1,666 2,001 2,254 2,346 2,499 2,737 2,842 2,958 3,381 3,451 4,002 4,263 4,669 4,998 5,474 6,762 6,902 8,211 8,526 9,338 10,353 11,339 14,007 16,422 19,159 20,706 22,678 24,157 28,014 32,683 34,017 38,318 48,314 57,477 65,366 68,034 72,471 79,373 98,049 114,954 144,942 158,746 196,098 238,119 476,238 555,611 1,111,222 1,666,833 and 3,333,666, with no remainder.
Since 3,333,666 cannot be divided by just 1 and 3,333,666, it is not a prime number.