Q: Is 400,001,040 a Composite Number?

Why is 400,001,040 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 400,001,040 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 555,557 1,111,114 1,666,671 2,222,228 2,777,785 3,333,342 4,444,456 5,000,013 5,555,570 6,666,684 8,333,355 8,888,912 10,000,026 11,111,140 13,333,368 16,666,710 20,000,052 22,222,280 25,000,065 26,666,736 33,333,420 40,000,104 44,444,560 50,000,130 66,666,840 80,000,208 100,000,260 133,333,680 200,000,520 and 400,001,040, with no remainder.

Since 400,001,040 cannot be divided by just 1 and 400,001,040, 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).