Q: Is 394,128 a Composite Number?

Why is 394,128 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 394,128 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 17 18 21 23 24 28 34 36 42 46 48 51 56 63 68 69 72 84 92 102 112 119 126 136 138 144 153 161 168 184 204 207 238 252 272 276 306 322 336 357 368 391 408 414 476 483 504 552 612 644 714 782 816 828 952 966 1,008 1,071 1,104 1,173 1,224 1,288 1,428 1,449 1,564 1,656 1,904 1,932 2,142 2,346 2,448 2,576 2,737 2,856 2,898 3,128 3,312 3,519 3,864 4,284 4,692 5,474 5,712 5,796 6,256 7,038 7,728 8,211 8,568 9,384 10,948 11,592 14,076 16,422 17,136 18,768 21,896 23,184 24,633 28,152 32,844 43,792 49,266 56,304 65,688 98,532 131,376 197,064 and 394,128, with no remainder.

Since 394,128 cannot be divided by just 1 and 394,128, 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).