Q: Is 1,771,920 a Composite Number?

Why is 1,771,920 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 1,771,920 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 36 40 45 46 48 60 69 72 80 90 92 107 115 120 138 144 180 184 207 214 230 240 276 321 345 360 368 414 428 460 535 552 642 690 720 828 856 920 963 1,035 1,070 1,104 1,284 1,380 1,605 1,656 1,712 1,840 1,926 2,070 2,140 2,461 2,568 2,760 3,210 3,312 3,852 4,140 4,280 4,815 4,922 5,136 5,520 6,420 7,383 7,704 8,280 8,560 9,630 9,844 12,305 12,840 14,766 15,408 16,560 19,260 19,688 22,149 24,610 25,680 29,532 36,915 38,520 39,376 44,298 49,220 59,064 73,830 77,040 88,596 98,440 110,745 118,128 147,660 177,192 196,880 221,490 295,320 354,384 442,980 590,640 885,960 and 1,771,920, with no remainder.

Since 1,771,920 cannot be divided by just 1 and 1,771,920, 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).