Q: Is 55,408,640 a Composite Number?

Why is 55,408,640 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 55,408,640 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 512 560 640 773 896 1,024 1,120 1,280 1,546 1,792 2,048 2,240 2,560 3,092 3,584 3,865 4,480 5,120 5,411 6,184 7,168 7,730 8,960 10,240 10,822 12,368 14,336 15,460 17,920 21,644 24,736 27,055 30,920 35,840 43,288 49,472 54,110 61,840 71,680 86,576 98,944 108,220 123,680 173,152 197,888 216,440 247,360 346,304 395,776 432,880 494,720 692,608 791,552 865,760 989,440 1,385,216 1,583,104 1,731,520 1,978,880 2,770,432 3,463,040 3,957,760 5,540,864 6,926,080 7,915,520 11,081,728 13,852,160 27,704,320 and 55,408,640, with no remainder.

Since 55,408,640 cannot be divided by just 1 and 55,408,640, 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).