Q: Is 2,787,489 a Prime Number?
A: No, 2,787,489 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 2787489 can be evenly divided by 1 3 9 31 93 97 103 279 291 309 873 927 3,007 3,193 9,021 9,579 9,991 27,063 28,737 29,973 89,919 309,721 929,163 and 2,787,489, with no remainder.
Since 2,787,489 cannot be divided by just 1 and 2,787,489, it is not a prime number.