Q: Is 857,280 a Composite Number?

Why is 857,280 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 857,280 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 47 48 57 60 64 76 80 94 95 96 114 120 141 152 160 188 190 192 228 235 240 282 285 304 320 376 380 456 470 480 564 570 608 705 752 760 893 912 940 960 1,128 1,140 1,216 1,410 1,504 1,520 1,786 1,824 1,880 2,256 2,280 2,679 2,820 3,008 3,040 3,572 3,648 3,760 4,465 4,512 4,560 5,358 5,640 6,080 7,144 7,520 8,930 9,024 9,120 10,716 11,280 13,395 14,288 15,040 17,860 18,240 21,432 22,560 26,790 28,576 35,720 42,864 45,120 53,580 57,152 71,440 85,728 107,160 142,880 171,456 214,320 285,760 428,640 and 857,280, with no remainder.

Since 857,280 cannot be divided by just 1 and 857,280, 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).