Q: Is 155,423,920 a Composite Number?

Why is 155,423,920 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 155,423,920 can be evenly divided by 1 2 4 5 8 10 16 20 40 67 80 107 134 214 268 271 335 428 535 536 542 670 856 1,070 1,072 1,084 1,340 1,355 1,712 2,140 2,168 2,680 2,710 4,280 4,336 5,360 5,420 7,169 8,560 10,840 14,338 18,157 21,680 28,676 28,997 35,845 36,314 57,352 57,994 71,690 72,628 90,785 114,704 115,988 143,380 144,985 145,256 181,570 231,976 286,760 289,970 290,512 363,140 463,952 573,520 579,940 726,280 1,159,880 1,452,560 1,942,799 2,319,760 3,885,598 7,771,196 9,713,995 15,542,392 19,427,990 31,084,784 38,855,980 77,711,960 and 155,423,920, with no remainder.

Since 155,423,920 cannot be divided by just 1 and 155,423,920, 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).