Q: Is 620,402 a Prime Number?
A: No, 620,402 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 620402 can be evenly divided by 1 2 23 46 13,487 26,974 310,201 and 620,402, with no remainder.
Since 620,402 cannot be divided by just 1 and 620,402, it is not a prime number.