Q: Is 626,640 a Composite Number?

Why is 626,640 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 626,640 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 373 420 560 746 840 1,119 1,492 1,680 1,865 2,238 2,611 2,984 3,730 4,476 5,222 5,595 5,968 7,460 7,833 8,952 10,444 11,190 13,055 14,920 15,666 17,904 20,888 22,380 26,110 29,840 31,332 39,165 41,776 44,760 52,220 62,664 78,330 89,520 104,440 125,328 156,660 208,880 313,320 and 626,640, with no remainder.

Since 626,640 cannot be divided by just 1 and 626,640, 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).