Q: Is 121,324,420 a Composite Number?

Why is 121,324,420 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 121,324,420 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 53 70 83 106 140 166 197 212 265 332 371 394 415 530 581 742 788 830 985 1,060 1,162 1,379 1,484 1,660 1,855 1,970 2,324 2,758 2,905 3,710 3,940 4,399 5,516 5,810 6,895 7,420 8,798 10,441 11,620 13,790 16,351 17,596 20,882 21,995 27,580 30,793 32,702 41,764 43,990 52,205 61,586 65,404 73,087 81,755 87,980 104,410 114,457 123,172 146,174 153,965 163,510 208,820 228,914 292,348 307,930 327,020 365,435 457,828 572,285 615,860 730,870 866,603 1,144,570 1,461,740 1,733,206 2,289,140 3,466,412 4,333,015 6,066,221 8,666,030 12,132,442 17,332,060 24,264,884 30,331,105 60,662,210 and 121,324,420, with no remainder.

Since 121,324,420 cannot be divided by just 1 and 121,324,420, 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).