Q: Is 620,020 a Prime Number?
A: No, 620,020 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 620020 can be evenly divided by 1 2 4 5 10 20 29 58 116 145 290 580 1,069 2,138 4,276 5,345 10,690 21,380 31,001 62,002 124,004 155,005 310,010 and 620,020, with no remainder.
Since 620,020 cannot be divided by just 1 and 620,020, it is not a prime number.