Q: Is 624,320 a Prime Number?
A: No, 624,320 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 624320 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 1,951 3,902 7,804 9,755 15,608 19,510 31,216 39,020 62,432 78,040 124,864 156,080 312,160 and 624,320, with no remainder.
Since 624,320 cannot be divided by just 1 and 624,320, it is not a prime number.