Q: Is 2,689,240 a Prime Number?
A: No, 2,689,240 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 2689240 can be evenly divided by 1 2 4 5 8 10 20 40 67,231 134,462 268,924 336,155 537,848 672,310 1,344,620 and 2,689,240, with no remainder.
Since 2,689,240 cannot be divided by just 1 and 2,689,240, it is not a prime number.