Q: Is 1,281,800 a Composite Number?

Why is 1,281,800 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 1,281,800 can be evenly divided by 1 2 4 5 8 10 13 17 20 25 26 29 34 40 50 52 58 65 68 85 100 104 116 130 136 145 170 200 221 232 260 290 325 340 377 425 442 493 520 580 650 680 725 754 850 884 986 1,105 1,160 1,300 1,450 1,508 1,700 1,768 1,885 1,972 2,210 2,465 2,600 2,900 3,016 3,400 3,770 3,944 4,420 4,930 5,525 5,800 6,409 7,540 8,840 9,425 9,860 11,050 12,325 12,818 15,080 18,850 19,720 22,100 24,650 25,636 32,045 37,700 44,200 49,300 51,272 64,090 75,400 98,600 128,180 160,225 256,360 320,450 640,900 and 1,281,800, with no remainder.

Since 1,281,800 cannot be divided by just 1 and 1,281,800, 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).