Q: Is 2,643,501 a Prime Number?
A: No, 2,643,501 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 2643501 can be evenly divided by 1 3 7 21 49 147 343 367 1,029 1,101 2,401 2,569 7,203 7,707 17,983 53,949 125,881 377,643 881,167 and 2,643,501, with no remainder.
Since 2,643,501 cannot be divided by just 1 and 2,643,501, it is not a prime number.