Q: Is 6,435,440 a Composite Number?

Why is 6,435,440 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 6,435,440 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 40 44 55 71 80 88 103 110 142 176 206 220 284 355 412 440 515 568 710 781 824 880 1,030 1,133 1,136 1,420 1,562 1,648 2,060 2,266 2,840 3,124 3,905 4,120 4,532 5,665 5,680 6,248 7,313 7,810 8,240 9,064 11,330 12,496 14,626 15,620 18,128 22,660 29,252 31,240 36,565 45,320 58,504 62,480 73,130 80,443 90,640 117,008 146,260 160,886 292,520 321,772 402,215 585,040 643,544 804,430 1,287,088 1,608,860 3,217,720 and 6,435,440, with no remainder.

Since 6,435,440 cannot be divided by just 1 and 6,435,440, 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).