Q: Is 1,571,040 a Composite Number?

Why is 1,571,040 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 1,571,040 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1,091 1,440 2,182 3,273 4,364 5,455 6,546 8,728 9,819 10,910 13,092 16,365 17,456 19,638 21,820 26,184 32,730 34,912 39,276 43,640 49,095 52,368 65,460 78,552 87,280 98,190 104,736 130,920 157,104 174,560 196,380 261,840 314,208 392,760 523,680 785,520 and 1,571,040, with no remainder.

Since 1,571,040 cannot be divided by just 1 and 1,571,040, 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).