Q: Is 620,770 a Prime Number?
A: No, 620,770 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 620770 can be evenly divided by 1 2 5 10 23 46 115 230 2,699 5,398 13,495 26,990 62,077 124,154 310,385 and 620,770, with no remainder.
Since 620,770 cannot be divided by just 1 and 620,770, it is not a prime number.