Q: Is 421,870 a Composite Number?
A: Yes, 421,870 is a composite number.
The number 421,870 can be evenly divided by 1 2 5 10 42,187 84,374 210,935 and 421,870, with no remainder.
Since 421,870 cannot be divided by just 1 and 421,870, it is a composite number.