Q: Is 3,241,280 a Composite Number?

Why is 3,241,280 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 3,241,280 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1,120 1,447 2,240 2,894 5,788 7,235 10,129 11,576 14,470 20,258 23,152 28,940 40,516 46,304 50,645 57,880 81,032 92,608 101,290 115,760 162,064 202,580 231,520 324,128 405,160 463,040 648,256 810,320 1,620,640 and 3,241,280, with no remainder.

Since 3,241,280 cannot be divided by just 1 and 3,241,280, 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).