Q: Is 2,499,820 a Prime Number?
A: No, 2,499,820 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 2499820 can be evenly divided by 1 2 4 5 10 20 124,991 249,982 499,964 624,955 1,249,910 and 2,499,820, with no remainder.
Since 2,499,820 cannot be divided by just 1 and 2,499,820, it is not a prime number.