Q: Is 24,780 a Prime Number?
A: No, 24,780 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 24780 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 59 60 70 84 105 118 140 177 210 236 295 354 413 420 590 708 826 885 1,180 1,239 1,652 1,770 2,065 2,478 3,540 4,130 4,956 6,195 8,260 12,390 and 24,780, with no remainder.
Since 24,780 cannot be divided by just 1 and 24,780, it is not a prime number.