Q: Is 221,222,000 a Composite Number?

Why is 221,222,000 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 221,222,000 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 53 80 100 106 125 200 212 250 265 400 424 500 530 848 1,000 1,060 1,325 2,000 2,087 2,120 2,650 4,174 4,240 5,300 6,625 8,348 10,435 10,600 13,250 16,696 20,870 21,200 26,500 33,392 41,740 52,175 53,000 83,480 104,350 106,000 110,611 166,960 208,700 221,222 260,875 417,400 442,444 521,750 553,055 834,800 884,888 1,043,500 1,106,110 1,769,776 2,087,000 2,212,220 2,765,275 4,174,000 4,424,440 5,530,550 8,848,880 11,061,100 13,826,375 22,122,200 27,652,750 44,244,400 55,305,500 110,611,000 and 221,222,000, with no remainder.

Since 221,222,000 cannot be divided by just 1 and 221,222,000, 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).