Q: Is 788,580 a Prime Number?
A: No, 788,580 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 788580 can be evenly divided by 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 337 390 468 585 674 780 1,011 1,170 1,348 1,685 2,022 2,340 3,033 3,370 4,044 4,381 5,055 6,066 6,740 8,762 10,110 12,132 13,143 15,165 17,524 20,220 21,905 26,286 30,330 39,429 43,810 52,572 60,660 65,715 78,858 87,620 131,430 157,716 197,145 262,860 394,290 and 788,580, with no remainder.
Since 788,580 cannot be divided by just 1 and 788,580, it is not a prime number.