Q: Is 620,606 a Prime Number?
A: No, 620,606 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 620606 can be evenly divided by 1 2 7 14 97 194 457 679 914 1,358 3,199 6,398 44,329 88,658 310,303 and 620,606, with no remainder.
Since 620,606 cannot be divided by just 1 and 620,606, it is not a prime number.