Q: Is 155,200,000 a Composite Number?

Why is 155,200,000 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 155,200,000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 97 100 125 128 160 194 200 250 256 320 388 400 485 500 512 625 640 776 800 970 1,000 1,250 1,280 1,552 1,600 1,940 2,000 2,425 2,500 2,560 3,104 3,125 3,200 3,880 4,000 4,850 5,000 6,208 6,250 6,400 7,760 8,000 9,700 10,000 12,125 12,416 12,500 12,800 15,520 16,000 19,400 20,000 24,250 24,832 25,000 31,040 32,000 38,800 40,000 48,500 49,664 50,000 60,625 62,080 64,000 77,600 80,000 97,000 100,000 121,250 124,160 155,200 160,000 194,000 200,000 242,500 248,320 303,125 310,400 320,000 388,000 400,000 485,000 606,250 620,800 776,000 800,000 970,000 1,212,500 1,241,600 1,552,000 1,600,000 1,940,000 2,425,000 3,104,000 3,880,000 4,850,000 6,208,000 7,760,000 9,700,000 15,520,000 19,400,000 31,040,000 38,800,000 77,600,000 and 155,200,000, with no remainder.

Since 155,200,000 cannot be divided by just 1 and 155,200,000, 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).