Q: Is 31,230,100 a Composite Number?

Why is 31,230,100 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 31,230,100 can be evenly divided by 1 2 4 5 10 11 20 22 25 29 44 50 55 58 89 100 110 116 121 145 178 220 242 275 290 319 356 445 484 550 580 605 638 725 890 979 1,100 1,210 1,276 1,450 1,595 1,780 1,958 2,225 2,420 2,581 2,900 3,025 3,190 3,509 3,916 4,450 4,895 5,162 6,050 6,380 7,018 7,975 8,900 9,790 10,324 10,769 12,100 12,905 14,036 15,950 17,545 19,580 21,538 24,475 25,810 28,391 31,900 35,090 43,076 48,950 51,620 53,845 56,782 64,525 70,180 87,725 97,900 107,690 113,564 129,050 141,955 175,450 215,380 258,100 269,225 283,910 312,301 350,900 538,450 567,820 624,602 709,775 1,076,900 1,249,204 1,419,550 1,561,505 2,839,100 3,123,010 6,246,020 7,807,525 15,615,050 and 31,230,100, with no remainder.

Since 31,230,100 cannot be divided by just 1 and 31,230,100, 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).