Q: Is 385,420 a Prime Number?
A: No, 385,420 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 385420 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 2,753 5,506 11,012 13,765 19,271 27,530 38,542 55,060 77,084 96,355 192,710 and 385,420, with no remainder.
Since 385,420 cannot be divided by just 1 and 385,420, it is not a prime number.