Q: Is 135,240 a Composite Number?

Why is 135,240 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 135,240 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 23 24 28 30 35 40 42 46 49 56 60 69 70 84 92 98 105 115 120 138 140 147 161 168 184 196 210 230 245 276 280 294 322 345 392 420 460 483 490 552 588 644 690 735 805 840 920 966 980 1,127 1,176 1,288 1,380 1,470 1,610 1,932 1,960 2,254 2,415 2,760 2,940 3,220 3,381 3,864 4,508 4,830 5,635 5,880 6,440 6,762 9,016 9,660 11,270 13,524 16,905 19,320 22,540 27,048 33,810 45,080 67,620 and 135,240, with no remainder.

Since 135,240 cannot be divided by just 1 and 135,240, 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).