Q: Is 5,100,021 a Prime Number?
A: No, 5,100,021 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 5100021 can be evenly divided by 1 3 9 239 717 2,151 2,371 7,113 21,339 566,669 1,700,007 and 5,100,021, with no remainder.
Since 5,100,021 cannot be divided by just 1 and 5,100,021, it is not a prime number.