Q: Is 2,205,700 a Composite Number?

Why is 2,205,700 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 2,205,700 can be evenly divided by 1 2 4 5 7 10 14 20 23 25 28 35 46 50 70 92 100 115 137 140 161 175 230 274 322 350 460 548 575 644 685 700 805 959 1,150 1,370 1,610 1,918 2,300 2,740 3,151 3,220 3,425 3,836 4,025 4,795 6,302 6,850 8,050 9,590 12,604 13,700 15,755 16,100 19,180 22,057 23,975 31,510 44,114 47,950 63,020 78,775 88,228 95,900 110,285 157,550 220,570 315,100 441,140 551,425 1,102,850 and 2,205,700, with no remainder.

Since 2,205,700 cannot be divided by just 1 and 2,205,700, 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).