Q: Is 203,840 a Composite Number?

Why is 203,840 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 203,840 can be evenly divided by 1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 64 65 70 80 91 98 104 112 130 140 160 182 196 208 224 245 260 280 320 364 392 416 448 455 490 520 560 637 728 784 832 910 980 1,040 1,120 1,274 1,456 1,568 1,820 1,960 2,080 2,240 2,548 2,912 3,136 3,185 3,640 3,920 4,160 5,096 5,824 6,370 7,280 7,840 10,192 12,740 14,560 15,680 20,384 25,480 29,120 40,768 50,960 101,920 and 203,840, with no remainder.

Since 203,840 cannot be divided by just 1 and 203,840, 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).