Q: Is 643,080 a Prime Number?
A: No, 643,080 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 643080 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 23 24 30 40 46 60 69 92 115 120 138 184 230 233 276 345 460 466 552 690 699 920 932 1,165 1,380 1,398 1,864 2,330 2,760 2,796 3,495 4,660 5,359 5,592 6,990 9,320 10,718 13,980 16,077 21,436 26,795 27,960 32,154 42,872 53,590 64,308 80,385 107,180 128,616 160,770 214,360 321,540 and 643,080, with no remainder.
Since 643,080 cannot be divided by just 1 and 643,080, it is not a prime number.