Q: Is 3,728,640 a Composite Number?

Why is 3,728,640 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 3,728,640 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 971 1,280 1,920 1,942 2,913 3,840 3,884 4,855 5,826 7,768 9,710 11,652 14,565 15,536 19,420 23,304 29,130 31,072 38,840 46,608 58,260 62,144 77,680 93,216 116,520 124,288 155,360 186,432 233,040 248,576 310,720 372,864 466,080 621,440 745,728 932,160 1,242,880 1,864,320 and 3,728,640, with no remainder.

Since 3,728,640 cannot be divided by just 1 and 3,728,640, 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).