Q: Is 842,100 a Composite Number?

Why is 842,100 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 842,100 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 401 420 525 700 802 1,050 1,203 1,604 2,005 2,100 2,406 2,807 4,010 4,812 5,614 6,015 8,020 8,421 10,025 11,228 12,030 14,035 16,842 20,050 24,060 28,070 30,075 33,684 40,100 42,105 56,140 60,150 70,175 84,210 120,300 140,350 168,420 210,525 280,700 421,050 and 842,100, with no remainder.

Since 842,100 cannot be divided by just 1 and 842,100, 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).