Q: Is 216,423 a Composite Number?
A: Yes, 216,423 is a composite number.
The number 216,423 can be evenly divided by 1 3 9 139 173 417 519 1,251 1,557 24,047 72,141 and 216,423, with no remainder.
Since 216,423 cannot be divided by just 1 and 216,423, it is a composite number.