Q: Is 620,520 a Prime Number?
A: No, 620,520 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 620520 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 5,171 10,342 15,513 20,684 25,855 31,026 41,368 51,710 62,052 77,565 103,420 124,104 155,130 206,840 310,260 and 620,520, with no remainder.
Since 620,520 cannot be divided by just 1 and 620,520, it is not a prime number.