Q: Is 5,421,009 a Prime Number?
A: No, 5,421,009 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 5421009 can be evenly divided by 1 3 11 33 61 183 671 2,013 2,693 8,079 29,623 88,869 164,273 492,819 1,807,003 and 5,421,009, with no remainder.
Since 5,421,009 cannot be divided by just 1 and 5,421,009, it is not a prime number.