Q: Is 20,387,460 a Composite Number?

Why is 20,387,460 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 20,387,460 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 97 113 124 155 186 194 226 291 310 339 372 388 452 465 485 565 582 620 678 930 970 1,130 1,164 1,356 1,455 1,695 1,860 1,940 2,260 2,910 3,007 3,390 3,503 5,820 6,014 6,780 7,006 9,021 10,509 10,961 12,028 14,012 15,035 17,515 18,042 21,018 21,922 30,070 32,883 35,030 36,084 42,036 43,844 45,105 52,545 54,805 60,140 65,766 70,060 90,210 105,090 109,610 131,532 164,415 180,420 210,180 219,220 328,830 339,791 657,660 679,582 1,019,373 1,359,164 1,698,955 2,038,746 3,397,910 4,077,492 5,096,865 6,795,820 10,193,730 and 20,387,460, with no remainder.

Since 20,387,460 cannot be divided by just 1 and 20,387,460, 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).