Q: Is 2,015,420 a Prime Number?
A: No, 2,015,420 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 2015420 can be evenly divided by 1 2 4 5 10 11 20 22 44 55 110 220 9,161 18,322 36,644 45,805 91,610 100,771 183,220 201,542 403,084 503,855 1,007,710 and 2,015,420, with no remainder.
Since 2,015,420 cannot be divided by just 1 and 2,015,420, it is not a prime number.