Q: Is 562,420 a Prime Number?
A: No, 562,420 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 562420 can be evenly divided by 1 2 4 5 10 20 61 122 244 305 461 610 922 1,220 1,844 2,305 4,610 9,220 28,121 56,242 112,484 140,605 281,210 and 562,420, with no remainder.
Since 562,420 cannot be divided by just 1 and 562,420, it is not a prime number.