Q: Is 661,431 a Composite Number?
A: Yes, 661,431 is a composite number.
The number 661,431 can be evenly divided by 1 3 47 141 4,691 14,073 220,477 and 661,431, with no remainder.
Since 661,431 cannot be divided by just 1 and 661,431, it is a composite number.