Q: Is 4,821,820 a Prime Number?
A: No, 4,821,820 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 4821820 can be evenly divided by 1 2 4 5 10 19 20 38 76 95 190 380 12,689 25,378 50,756 63,445 126,890 241,091 253,780 482,182 964,364 1,205,455 2,410,910 and 4,821,820, with no remainder.
Since 4,821,820 cannot be divided by just 1 and 4,821,820, it is not a prime number.