Q: Is 680,580 a Prime Number?
A: No, 680,580 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 680580 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 199 228 285 342 380 398 570 597 684 796 855 995 1,140 1,194 1,710 1,791 1,990 2,388 2,985 3,420 3,582 3,781 3,980 5,970 7,164 7,562 8,955 11,343 11,940 15,124 17,910 18,905 22,686 34,029 35,820 37,810 45,372 56,715 68,058 75,620 113,430 136,116 170,145 226,860 340,290 and 680,580, with no remainder.
Since 680,580 cannot be divided by just 1 and 680,580, it is not a prime number.