Q: Is 364,221 a Prime Number?
A: No, 364,221 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 364221 can be evenly divided by 1 3 9 11 13 33 39 99 117 143 283 429 849 1,287 2,547 3,113 3,679 9,339 11,037 28,017 33,111 40,469 121,407 and 364,221, with no remainder.
Since 364,221 cannot be divided by just 1 and 364,221, it is not a prime number.