Q: Is 397,820 a Composite Number?
A: Yes, 397,820 is a composite number.
The number 397,820 can be evenly divided by 1 2 4 5 10 20 19,891 39,782 79,564 99,455 198,910 and 397,820, with no remainder.
Since 397,820 cannot be divided by just 1 and 397,820, it is a composite number.