Q: Is 498,640 a Prime Number?
A: No, 498,640 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 498640 can be evenly divided by 1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 230 271 368 460 542 920 1,084 1,355 1,840 2,168 2,710 4,336 5,420 6,233 10,840 12,466 21,680 24,932 31,165 49,864 62,330 99,728 124,660 249,320 and 498,640, with no remainder.
Since 498,640 cannot be divided by just 1 and 498,640, it is not a prime number.