Q: Is 1,328,640 a Composite Number?

Why is 1,328,640 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 1,328,640 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 96 120 128 160 173 192 240 256 320 346 384 480 512 519 640 692 768 865 960 1,038 1,280 1,384 1,536 1,730 1,920 2,076 2,560 2,595 2,768 3,460 3,840 4,152 5,190 5,536 6,920 7,680 8,304 10,380 11,072 13,840 16,608 20,760 22,144 27,680 33,216 41,520 44,288 55,360 66,432 83,040 88,576 110,720 132,864 166,080 221,440 265,728 332,160 442,880 664,320 and 1,328,640, with no remainder.

Since 1,328,640 cannot be divided by just 1 and 1,328,640, 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).