Q: Is 3,427,820 a Prime Number?
A: No, 3,427,820 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 3427820 can be evenly divided by 1 2 4 5 10 11 20 22 44 55 110 220 15,581 31,162 62,324 77,905 155,810 171,391 311,620 342,782 685,564 856,955 1,713,910 and 3,427,820, with no remainder.
Since 3,427,820 cannot be divided by just 1 and 3,427,820, it is not a prime number.