Q: Is 225,400 a Composite Number?

Why is 225,400 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 225,400 can be evenly divided by 1 2 4 5 7 8 10 14 20 23 25 28 35 40 46 49 50 56 70 92 98 100 115 140 161 175 184 196 200 230 245 280 322 350 392 460 490 575 644 700 805 920 980 1,127 1,150 1,225 1,288 1,400 1,610 1,960 2,254 2,300 2,450 3,220 4,025 4,508 4,600 4,900 5,635 6,440 8,050 9,016 9,800 11,270 16,100 22,540 28,175 32,200 45,080 56,350 112,700 and 225,400, with no remainder.

Since 225,400 cannot be divided by just 1 and 225,400, 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).