Q: Is 1,609,920 a Composite Number?

Why is 1,609,920 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 1,609,920 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 43 45 48 52 60 64 65 72 78 80 86 90 96 104 117 120 129 130 144 156 160 172 180 192 195 208 215 234 240 258 260 288 312 320 344 360 387 390 416 430 468 480 516 520 559 576 585 624 645 688 720 774 780 832 860 936 960 1,032 1,040 1,118 1,170 1,248 1,290 1,376 1,440 1,548 1,560 1,677 1,720 1,872 1,935 2,064 2,080 2,236 2,340 2,496 2,580 2,752 2,795 2,880 3,096 3,120 3,354 3,440 3,744 3,870 4,128 4,160 4,472 4,680 5,031 5,160 5,590 6,192 6,240 6,708 6,880 7,488 7,740 8,256 8,385 8,944 9,360 10,062 10,320 11,180 12,384 12,480 13,416 13,760 15,480 16,770 17,888 18,720 20,124 20,640 22,360 24,768 25,155 26,832 30,960 33,540 35,776 37,440 40,248 41,280 44,720 50,310 53,664 61,920 67,080 80,496 89,440 100,620 107,328 123,840 134,160 160,992 178,880 201,240 268,320 321,984 402,480 536,640 804,960 and 1,609,920, with no remainder.

Since 1,609,920 cannot be divided by just 1 and 1,609,920, 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).