Q: Is 2,405,420 a Prime Number?
A: No, 2,405,420 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 2405420 can be evenly divided by 1 2 4 5 10 20 43 86 172 215 430 860 2,797 5,594 11,188 13,985 27,970 55,940 120,271 240,542 481,084 601,355 1,202,710 and 2,405,420, with no remainder.
Since 2,405,420 cannot be divided by just 1 and 2,405,420, it is not a prime number.