Q: Is 311,403,420 a Composite Number?

Why is 311,403,420 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 311,403,420 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 43 45 54 60 86 90 108 129 135 172 180 215 258 270 387 430 516 540 645 774 860 1,161 1,290 1,548 1,935 2,322 2,580 3,870 4,644 5,805 7,740 11,610 13,411 23,220 26,822 40,233 53,644 67,055 80,466 120,699 134,110 160,932 201,165 241,398 268,220 362,097 402,330 482,796 576,673 603,495 724,194 804,660 1,153,346 1,206,990 1,448,388 1,730,019 1,810,485 2,306,692 2,413,980 2,883,365 3,460,038 3,620,970 5,190,057 5,766,730 6,920,076 7,241,940 8,650,095 10,380,114 11,533,460 15,570,171 17,300,190 20,760,228 25,950,285 31,140,342 34,600,380 51,900,570 62,280,684 77,850,855 103,801,140 155,701,710 and 311,403,420, with no remainder.

Since 311,403,420 cannot be divided by just 1 and 311,403,420, 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).