Q: Is 7,500,003 a Prime Number?
A: No, 7,500,003 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 7500003 can be evenly divided by 1 3 7 19 21 57 133 399 18,797 56,391 131,579 357,143 394,737 1,071,429 2,500,001 and 7,500,003, with no remainder.
Since 7,500,003 cannot be divided by just 1 and 7,500,003, it is not a prime number.