Q: Is 1,946,721 a Prime Number?
A: No, 1,946,721 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 1946721 can be evenly divided by 1 3 7 17 19 21 41 49 51 57 119 123 133 147 287 323 357 399 697 779 833 861 931 969 2,009 2,091 2,261 2,337 2,499 2,793 4,879 5,453 6,027 6,783 13,243 14,637 15,827 16,359 34,153 38,171 39,729 47,481 92,701 102,459 114,513 278,103 648,907 and 1,946,721, with no remainder.
Since 1,946,721 cannot be divided by just 1 and 1,946,721, it is not a prime number.