Q: Is 2,421,993 a Prime Number?
A: No, 2,421,993 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 2421993 can be evenly divided by 1 3 7 21 29 41 87 97 123 203 287 291 609 679 861 1,189 2,037 2,813 3,567 3,977 8,323 8,439 11,931 19,691 24,969 27,839 59,073 83,517 115,333 345,999 807,331 and 2,421,993, with no remainder.
Since 2,421,993 cannot be divided by just 1 and 2,421,993, it is not a prime number.