Q: Is 40,000,400 a Composite Number?

Why is 40,000,400 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 40,000,400 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 176 200 220 275 400 440 550 880 1,100 2,200 4,400 9,091 18,182 36,364 45,455 72,728 90,910 100,001 145,456 181,820 200,002 227,275 363,640 400,004 454,550 500,005 727,280 800,008 909,100 1,000,010 1,600,016 1,818,200 2,000,020 2,500,025 3,636,400 4,000,040 5,000,050 8,000,080 10,000,100 20,000,200 and 40,000,400, with no remainder.

Since 40,000,400 cannot be divided by just 1 and 40,000,400, 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).