Q: Is 1,551,240 a Composite Number?

Why is 1,551,240 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 1,551,240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 31 36 40 45 60 62 72 90 93 120 124 139 155 180 186 248 278 279 310 360 372 417 465 556 558 620 695 744 834 930 1,112 1,116 1,240 1,251 1,390 1,395 1,668 1,860 2,085 2,232 2,502 2,780 2,790 3,336 3,720 4,170 4,309 5,004 5,560 5,580 6,255 8,340 8,618 10,008 11,160 12,510 12,927 16,680 17,236 21,545 25,020 25,854 34,472 38,781 43,090 50,040 51,708 64,635 77,562 86,180 103,416 129,270 155,124 172,360 193,905 258,540 310,248 387,810 517,080 775,620 and 1,551,240, with no remainder.

Since 1,551,240 cannot be divided by just 1 and 1,551,240, 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).