Q: Is 1,800,864 a Composite Number?

Why is 1,800,864 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 1,800,864 can be evenly divided by 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 37 39 48 52 72 74 78 96 104 111 117 144 148 156 169 208 222 234 288 296 312 333 338 416 444 468 481 507 592 624 666 676 888 936 962 1,014 1,184 1,248 1,332 1,352 1,443 1,521 1,776 1,872 1,924 2,028 2,664 2,704 2,886 3,042 3,552 3,744 3,848 4,056 4,329 5,328 5,408 5,772 6,084 6,253 7,696 8,112 8,658 10,656 11,544 12,168 12,506 15,392 16,224 17,316 18,759 23,088 24,336 25,012 34,632 37,518 46,176 48,672 50,024 56,277 69,264 75,036 100,048 112,554 138,528 150,072 200,096 225,108 300,144 450,216 600,288 900,432 and 1,800,864, with no remainder.

Since 1,800,864 cannot be divided by just 1 and 1,800,864, 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).