Q: Is 16,851,840 a Composite Number?

Why is 16,851,840 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 16,851,840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 67 80 96 120 128 131 134 160 192 201 240 262 268 320 335 384 393 402 480 524 536 640 655 670 786 804 960 1,005 1,048 1,072 1,310 1,340 1,572 1,608 1,920 1,965 2,010 2,096 2,144 2,620 2,680 3,144 3,216 3,930 4,020 4,192 4,288 5,240 5,360 6,288 6,432 7,860 8,040 8,384 8,576 8,777 10,480 10,720 12,576 12,864 15,720 16,080 16,768 17,554 20,960 21,440 25,152 25,728 26,331 31,440 32,160 35,108 41,920 42,880 43,885 50,304 52,662 62,880 64,320 70,216 83,840 87,770 105,324 125,760 128,640 131,655 140,432 175,540 210,648 251,520 263,310 280,864 351,080 421,296 526,620 561,728 702,160 842,592 1,053,240 1,123,456 1,404,320 1,685,184 2,106,480 2,808,640 3,370,368 4,212,960 5,617,280 8,425,920 and 16,851,840, with no remainder.

Since 16,851,840 cannot be divided by just 1 and 16,851,840, 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).