Q: Is 2,600,001 a Prime Number?
A: No, 2,600,001 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 2600001 can be evenly divided by 1 3 9 31 93 279 9,319 27,957 83,871 288,889 866,667 and 2,600,001, with no remainder.
Since 2,600,001 cannot be divided by just 1 and 2,600,001, it is not a prime number.