Q: Is 4,676,721 a Prime Number?
A: No, 4,676,721 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 4676721 can be evenly divided by 1 3 7 21 79 237 553 1,659 2,819 8,457 19,733 59,199 222,701 668,103 1,558,907 and 4,676,721, with no remainder.
Since 4,676,721 cannot be divided by just 1 and 4,676,721, it is not a prime number.