Q: Is 5,214,321 a Prime Number?
A: No, 5,214,321 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 5214321 can be evenly divided by 1 3 7 9 21 27 47 63 141 189 329 423 587 987 1,269 1,761 2,961 4,109 5,283 8,883 12,327 15,849 27,589 36,981 82,767 110,943 193,123 248,301 579,369 744,903 1,738,107 and 5,214,321, with no remainder.
Since 5,214,321 cannot be divided by just 1 and 5,214,321, it is not a prime number.