Q: Is 731,640 a Composite Number?

Why is 731,640 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 731,640 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 52 56 60 65 67 70 78 84 91 104 105 120 130 134 140 156 168 182 195 201 210 260 268 273 280 312 335 364 390 402 420 455 469 520 536 546 670 728 780 804 840 871 910 938 1,005 1,092 1,340 1,365 1,407 1,560 1,608 1,742 1,820 1,876 2,010 2,184 2,345 2,613 2,680 2,730 2,814 3,484 3,640 3,752 4,020 4,355 4,690 5,226 5,460 5,628 6,097 6,968 7,035 8,040 8,710 9,380 10,452 10,920 11,256 12,194 13,065 14,070 17,420 18,291 18,760 20,904 24,388 26,130 28,140 30,485 34,840 36,582 48,776 52,260 56,280 60,970 73,164 91,455 104,520 121,940 146,328 182,910 243,880 365,820 and 731,640, with no remainder.

Since 731,640 cannot be divided by just 1 and 731,640, 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).