Q: Is 5,421,546 a Prime Number?
A: No, 5,421,546 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 5421546 can be evenly divided by 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 7,723 15,446 23,169 46,338 69,507 100,399 139,014 200,798 208,521 301,197 417,042 602,394 903,591 1,807,182 2,710,773 and 5,421,546, with no remainder.
Since 5,421,546 cannot be divided by just 1 and 5,421,546, it is not a prime number.