Q: Is 780,480 a Prime Number?
A: No, 780,480 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 780480 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 271 288 320 360 480 542 576 720 813 960 1,084 1,355 1,440 1,626 2,168 2,439 2,710 2,880 3,252 4,065 4,336 4,878 5,420 6,504 8,130 8,672 9,756 10,840 12,195 13,008 16,260 17,344 19,512 21,680 24,390 26,016 32,520 39,024 43,360 48,780 52,032 65,040 78,048 86,720 97,560 130,080 156,096 195,120 260,160 390,240 and 780,480, with no remainder.
Since 780,480 cannot be divided by just 1 and 780,480, it is not a prime number.