Q: Is 782,880 a Prime Number?
A: No, 782,880 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 782880 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 233 240 280 336 420 466 480 560 672 699 840 932 1,120 1,165 1,398 1,631 1,680 1,864 2,330 2,796 3,262 3,360 3,495 3,728 4,660 4,893 5,592 6,524 6,990 7,456 8,155 9,320 9,786 11,184 13,048 13,980 16,310 18,640 19,572 22,368 24,465 26,096 27,960 32,620 37,280 39,144 48,930 52,192 55,920 65,240 78,288 97,860 111,840 130,480 156,576 195,720 260,960 391,440 and 782,880, with no remainder.
Since 782,880 cannot be divided by just 1 and 782,880, it is not a prime number.