Q: Is 1,820,448 a Composite Number?

Why is 1,820,448 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 1,820,448 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 43 48 49 54 56 63 72 84 86 96 98 108 112 126 129 144 147 168 172 189 196 216 224 252 258 288 294 301 336 344 378 387 392 432 441 504 516 588 602 672 688 756 774 784 864 882 903 1,008 1,032 1,161 1,176 1,204 1,323 1,376 1,512 1,548 1,568 1,764 1,806 2,016 2,064 2,107 2,322 2,352 2,408 2,646 2,709 3,024 3,096 3,528 3,612 4,128 4,214 4,644 4,704 4,816 5,292 5,418 6,048 6,192 6,321 7,056 7,224 8,127 8,428 9,288 9,632 10,584 10,836 12,384 12,642 14,112 14,448 16,254 16,856 18,576 18,963 21,168 21,672 25,284 28,896 32,508 33,712 37,152 37,926 42,336 43,344 50,568 56,889 65,016 67,424 75,852 86,688 101,136 113,778 130,032 151,704 202,272 227,556 260,064 303,408 455,112 606,816 910,224 and 1,820,448, with no remainder.

Since 1,820,448 cannot be divided by just 1 and 1,820,448, 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).