Q: Is 1,639,470 a Composite Number?

Why is 1,639,470 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 1,639,470 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 30 35 37 42 70 74 105 111 185 210 211 222 259 370 422 518 555 633 777 1,055 1,110 1,266 1,295 1,477 1,554 2,110 2,590 2,954 3,165 3,885 4,431 6,330 7,385 7,770 7,807 8,862 14,770 15,614 22,155 23,421 39,035 44,310 46,842 54,649 78,070 109,298 117,105 163,947 234,210 273,245 327,894 546,490 819,735 and 1,639,470, with no remainder.

Since 1,639,470 cannot be divided by just 1 and 1,639,470, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).