Q: Is 856,520 a Composite Number?

Why is 856,520 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 856,520 can be evenly divided by 1 2 4 5 7 8 10 14 19 20 23 28 35 38 40 46 49 56 70 76 92 95 98 115 133 140 152 161 184 190 196 230 245 266 280 322 380 392 437 460 490 532 644 665 760 805 874 920 931 980 1,064 1,127 1,288 1,330 1,610 1,748 1,862 1,960 2,185 2,254 2,660 3,059 3,220 3,496 3,724 4,370 4,508 4,655 5,320 5,635 6,118 6,440 7,448 8,740 9,016 9,310 11,270 12,236 15,295 17,480 18,620 21,413 22,540 24,472 30,590 37,240 42,826 45,080 61,180 85,652 107,065 122,360 171,304 214,130 428,260 and 856,520, with no remainder.

Since 856,520 cannot be divided by just 1 and 856,520, 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).