Q: Is 3,451,840 a Composite Number?

Why is 3,451,840 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 3,451,840 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 23 28 32 35 40 46 56 64 67 70 80 92 112 115 134 140 160 161 184 224 230 268 280 320 322 335 368 448 460 469 536 560 644 670 736 805 920 938 1,072 1,120 1,288 1,340 1,472 1,541 1,610 1,840 1,876 2,144 2,240 2,345 2,576 2,680 3,082 3,220 3,680 3,752 4,288 4,690 5,152 5,360 6,164 6,440 7,360 7,504 7,705 9,380 10,304 10,720 10,787 12,328 12,880 15,008 15,410 18,760 21,440 21,574 24,656 25,760 30,016 30,820 37,520 43,148 49,312 51,520 53,935 61,640 75,040 86,296 98,624 107,870 123,280 150,080 172,592 215,740 246,560 345,184 431,480 493,120 690,368 862,960 1,725,920 and 3,451,840, with no remainder.

Since 3,451,840 cannot be divided by just 1 and 3,451,840, 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).