Q: Is 476,721 a Prime Number?
A: No, 476,721 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 476721 can be evenly divided by 1 3 7 9 21 23 47 49 63 69 141 147 161 207 329 423 441 483 987 1,081 1,127 1,449 2,303 2,961 3,243 3,381 6,909 7,567 9,729 10,143 20,727 22,701 52,969 68,103 158,907 and 476,721, with no remainder.
Since 476,721 cannot be divided by just 1 and 476,721, it is not a prime number.