Q: Is 1,821,012 a Prime Number?
A: No, 1,821,012 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 1821012 can be evenly divided by 1 2 3 4 6 12 263 526 577 789 1,052 1,154 1,578 1,731 2,308 3,156 3,462 6,924 151,751 303,502 455,253 607,004 910,506 and 1,821,012, with no remainder.
Since 1,821,012 cannot be divided by just 1 and 1,821,012, it is not a prime number.