A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 924462 can be evenly divided by 1 2 3 6 7 9 11 14 18 21 22 23 29 33 42 46 58 63 66 69 77 87 99 126 138 154 161 174 198 203 207 231 253 261 319 322 406 414 462 483 506 522 609 638 667 693 759 957 966 1,218 1,334 1,386 1,449 1,518 1,771 1,827 1,914 2,001 2,233 2,277 2,871 2,898 3,542 3,654 4,002 4,466 4,554 4,669 5,313 5,742 6,003 6,699 7,337 9,338 10,626 12,006 13,398 14,007 14,674 15,939 20,097 22,011 28,014 31,878 40,194 42,021 44,022 51,359 66,033 84,042 102,718 132,066 154,077 308,154 462,231 and 924,462, with no remainder.
Since 924,462 cannot be divided by just 1 and 924,462, it is not a prime number.