Q: Is 1,661,667 a Composite Number?
A: Yes, 1,661,667 is a composite number.
The number 1,661,667 can be evenly divided by 1 3 7 21 67 201 469 1,181 1,407 3,543 8,267 24,801 79,127 237,381 553,889 and 1,661,667, with no remainder.
Since 1,661,667 cannot be divided by just 1 and 1,661,667, it is a composite number.