A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2341332 can be evenly divided by 1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 38 42 54 57 63 76 84 108 114 126 133 163 171 189 228 252 266 326 342 378 399 489 513 532 652 684 756 798 978 1,026 1,141 1,197 1,467 1,596 1,956 2,052 2,282 2,394 2,934 3,097 3,423 3,591 4,401 4,564 4,788 5,868 6,194 6,846 7,182 8,802 9,291 10,269 12,388 13,692 14,364 17,604 18,582 20,538 21,679 27,873 30,807 37,164 41,076 43,358 55,746 61,614 65,037 83,619 86,716 111,492 123,228 130,074 167,238 195,111 260,148 334,476 390,222 585,333 780,444 1,170,666 and 2,341,332, with no remainder.
Since 2,341,332 cannot be divided by just 1 and 2,341,332, it is not a prime number.