Q: Is 30,530,000 a Composite Number?

Why is 30,530,000 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 30,530,000 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 43 50 71 80 86 100 125 142 172 200 215 250 284 344 355 400 430 500 568 625 688 710 860 1,000 1,075 1,136 1,250 1,420 1,720 1,775 2,000 2,150 2,500 2,840 3,053 3,440 3,550 4,300 5,000 5,375 5,680 6,106 7,100 8,600 8,875 10,000 10,750 12,212 14,200 15,265 17,200 17,750 21,500 24,424 26,875 28,400 30,530 35,500 43,000 44,375 48,848 53,750 61,060 71,000 76,325 86,000 88,750 107,500 122,120 142,000 152,650 177,500 215,000 244,240 305,300 355,000 381,625 430,000 610,600 710,000 763,250 1,221,200 1,526,500 1,908,125 3,053,000 3,816,250 6,106,000 7,632,500 15,265,000 and 30,530,000, with no remainder.

Since 30,530,000 cannot be divided by just 1 and 30,530,000, 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).