Q: Is 31,818,240 a Composite Number?

Why is 31,818,240 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 31,818,240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 576 640 720 768 960 1,152 1,280 1,381 1,440 1,536 1,920 2,304 2,560 2,762 2,880 3,840 4,143 4,608 5,524 5,760 6,905 7,680 8,286 11,048 11,520 12,429 13,810 16,572 20,715 22,096 23,040 24,858 27,620 33,144 41,430 44,192 49,716 55,240 62,145 66,288 82,860 88,384 99,432 110,480 124,290 132,576 165,720 176,768 198,864 220,960 248,580 265,152 331,440 353,536 397,728 441,920 497,160 530,304 662,880 707,072 795,456 883,840 994,320 1,060,608 1,325,760 1,590,912 1,767,680 1,988,640 2,121,216 2,651,520 3,181,824 3,535,360 3,977,280 5,303,040 6,363,648 7,954,560 10,606,080 15,909,120 and 31,818,240, with no remainder.

Since 31,818,240 cannot be divided by just 1 and 31,818,240, 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).