Q: Is 879,840 a Composite Number?

Why is 879,840 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 879,840 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 45 47 48 52 60 65 72 78 80 90 94 96 104 117 120 130 141 144 156 160 180 188 195 208 234 235 240 260 282 288 312 360 376 390 416 423 468 470 480 520 564 585 611 624 705 720 752 780 846 936 940 1,040 1,128 1,170 1,222 1,248 1,410 1,440 1,504 1,560 1,692 1,833 1,872 1,880 2,080 2,115 2,256 2,340 2,444 2,820 3,055 3,120 3,384 3,666 3,744 3,760 4,230 4,512 4,680 4,888 5,499 5,640 6,110 6,240 6,768 7,332 7,520 8,460 9,165 9,360 9,776 10,998 11,280 12,220 13,536 14,664 16,920 18,330 18,720 19,552 21,996 22,560 24,440 27,495 29,328 33,840 36,660 43,992 48,880 54,990 58,656 67,680 73,320 87,984 97,760 109,980 146,640 175,968 219,960 293,280 439,920 and 879,840, with no remainder.

Since 879,840 cannot be divided by just 1 and 879,840, 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).