Q: Is 1,820,724 a Prime Number?
A: No, 1,820,724 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 1820724 can be evenly divided by 1 2 3 4 6 12 71 142 213 284 426 852 2,137 4,274 6,411 8,548 12,822 25,644 151,727 303,454 455,181 606,908 910,362 and 1,820,724, with no remainder.
Since 1,820,724 cannot be divided by just 1 and 1,820,724, it is not a prime number.