Q: Is 6,145,721 a Prime Number?
A: No, 6,145,721 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 6145721 can be evenly divided by 1 17 19 53 323 359 901 1,007 6,103 6,821 17,119 19,027 115,957 323,459 361,513 and 6,145,721, with no remainder.
Since 6,145,721 cannot be divided by just 1 and 6,145,721, it is not a prime number.