Q: Is 2,421,507 a Prime Number?
A: No, 2,421,507 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 2421507 can be evenly divided by 1 3 11 33 73,379 220,137 807,169 and 2,421,507, with no remainder.
Since 2,421,507 cannot be divided by just 1 and 2,421,507, it is not a prime number.