Q: Is 620,828 a Prime Number?
A: No, 620,828 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 620828 can be evenly divided by 1 2 4 13 26 52 11,939 23,878 47,756 155,207 310,414 and 620,828, with no remainder.
Since 620,828 cannot be divided by just 1 and 620,828, it is not a prime number.