Q: Is 1,630,640 a Composite Number?

Why is 1,630,640 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 1,630,640 can be evenly divided by 1 2 4 5 8 10 11 16 17 20 22 34 40 44 55 68 80 85 88 109 110 136 170 176 187 218 220 272 340 374 436 440 545 680 748 872 880 935 1,090 1,199 1,360 1,496 1,744 1,853 1,870 2,180 2,398 2,992 3,706 3,740 4,360 4,796 5,995 7,412 7,480 8,720 9,265 9,592 11,990 14,824 14,960 18,530 19,184 20,383 23,980 29,648 37,060 40,766 47,960 74,120 81,532 95,920 101,915 148,240 163,064 203,830 326,128 407,660 815,320 and 1,630,640, with no remainder.

Since 1,630,640 cannot be divided by just 1 and 1,630,640, 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).