Q: Is 1,579,140 a Composite Number?

Why is 1,579,140 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 1,579,140 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 155 180 186 279 283 310 372 465 558 566 620 849 930 1,116 1,132 1,395 1,415 1,698 1,860 2,547 2,790 2,830 3,396 4,245 5,094 5,580 5,660 8,490 8,773 10,188 12,735 16,980 17,546 25,470 26,319 35,092 43,865 50,940 52,638 78,957 87,730 105,276 131,595 157,914 175,460 263,190 315,828 394,785 526,380 789,570 and 1,579,140, with no remainder.

Since 1,579,140 cannot be divided by just 1 and 1,579,140, 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).