Q: Is 31,989,920 a Composite Number?

Why is 31,989,920 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 31,989,920 can be evenly divided by 1 2 4 5 8 10 16 17 19 20 32 34 38 40 68 76 80 85 95 136 152 160 170 190 272 304 323 340 380 544 608 619 646 680 760 1,238 1,292 1,360 1,520 1,615 2,476 2,584 2,720 3,040 3,095 3,230 4,952 5,168 6,190 6,460 9,904 10,336 10,523 11,761 12,380 12,920 19,808 21,046 23,522 24,760 25,840 42,092 47,044 49,520 51,680 52,615 58,805 84,184 94,088 99,040 105,230 117,610 168,368 188,176 199,937 210,460 235,220 336,736 376,352 399,874 420,920 470,440 799,748 841,840 940,880 999,685 1,599,496 1,683,680 1,881,760 1,999,370 3,198,992 3,998,740 6,397,984 7,997,480 15,994,960 and 31,989,920, with no remainder.

Since 31,989,920 cannot be divided by just 1 and 31,989,920, 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).