Q: Is 1,890,400 a Composite Number?

Why is 1,890,400 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 1,890,400 can be evenly divided by 1 2 4 5 8 10 16 17 20 25 32 34 40 50 68 80 85 100 136 139 160 170 200 272 278 340 400 425 544 556 680 695 800 850 1,112 1,360 1,390 1,700 2,224 2,363 2,720 2,780 3,400 3,475 4,448 4,726 5,560 6,800 6,950 9,452 11,120 11,815 13,600 13,900 18,904 22,240 23,630 27,800 37,808 47,260 55,600 59,075 75,616 94,520 111,200 118,150 189,040 236,300 378,080 472,600 945,200 and 1,890,400, with no remainder.

Since 1,890,400 cannot be divided by just 1 and 1,890,400, 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).