Q: Is 128,388,800 a Composite Number?

Why is 128,388,800 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 128,388,800 can be evenly divided by 1 2 4 5 8 10 16 20 25 29 32 40 50 58 64 80 100 116 145 160 200 232 290 320 400 464 580 725 800 928 1,160 1,450 1,600 1,856 2,320 2,767 2,900 4,640 5,534 5,800 9,280 11,068 11,600 13,835 22,136 23,200 27,670 44,272 46,400 55,340 69,175 80,243 88,544 110,680 138,350 160,486 177,088 221,360 276,700 320,972 401,215 442,720 553,400 641,944 802,430 885,440 1,106,800 1,283,888 1,604,860 2,006,075 2,213,600 2,567,776 3,209,720 4,012,150 4,427,200 5,135,552 6,419,440 8,024,300 12,838,880 16,048,600 25,677,760 32,097,200 64,194,400 and 128,388,800, with no remainder.

Since 128,388,800 cannot be divided by just 1 and 128,388,800, 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).