Q: Is 221,131,000 a Composite Number?

Why is 221,131,000 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 221,131,000 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 125 200 250 251 500 502 881 1,000 1,004 1,255 1,762 2,008 2,510 3,524 4,405 5,020 6,275 7,048 8,810 10,040 12,550 17,620 22,025 25,100 31,375 35,240 44,050 50,200 62,750 88,100 110,125 125,500 176,200 220,250 221,131 251,000 440,500 442,262 881,000 884,524 1,105,655 1,769,048 2,211,310 4,422,620 5,528,275 8,845,240 11,056,550 22,113,100 27,641,375 44,226,200 55,282,750 110,565,500 and 221,131,000, with no remainder.

Since 221,131,000 cannot be divided by just 1 and 221,131,000, 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).