Q: Is 2,978,406 a Prime Number?
A: No, 2,978,406 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 2978406 can be evenly divided by 1 2 3 6 9 18 337 491 674 982 1,011 1,473 2,022 2,946 3,033 4,419 6,066 8,838 165,467 330,934 496,401 992,802 1,489,203 and 2,978,406, with no remainder.
Since 2,978,406 cannot be divided by just 1 and 2,978,406, it is not a prime number.