Q: Is 378,672 a Composite Number?

Why is 378,672 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 378,672 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 23 24 28 42 46 48 49 56 69 84 92 98 112 138 147 161 168 184 196 276 294 322 336 343 368 392 483 552 588 644 686 784 966 1,029 1,104 1,127 1,176 1,288 1,372 1,932 2,058 2,254 2,352 2,576 2,744 3,381 3,864 4,116 4,508 5,488 6,762 7,728 7,889 8,232 9,016 13,524 15,778 16,464 18,032 23,667 27,048 31,556 47,334 54,096 63,112 94,668 126,224 189,336 and 378,672, with no remainder.

Since 378,672 cannot be divided by just 1 and 378,672, 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).