Q: Is 2,150,005 a Composite Number?
A: Yes, 2,150,005 is a composite number.
The number 2,150,005 can be evenly divided by 1 5 11 13 31 55 65 97 143 155 341 403 485 715 1,067 1,261 1,705 2,015 3,007 4,433 5,335 6,305 13,871 15,035 22,165 33,077 39,091 69,355 165,385 195,455 430,001 and 2,150,005, with no remainder.
Since 2,150,005 cannot be divided by just 1 and 2,150,005, it is a composite number.