Q: Is 477,820 a Prime Number?
A: No, 477,820 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 477820 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 3,413 6,826 13,652 17,065 23,891 34,130 47,782 68,260 95,564 119,455 238,910 and 477,820, with no remainder.
Since 477,820 cannot be divided by just 1 and 477,820, it is not a prime number.