Q: Is 3,455,865 a Composite Number?

Why is 3,455,865 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 3,455,865 can be evenly divided by 1 3 5 7 9 15 21 23 27 35 45 53 63 69 81 105 115 135 159 161 189 207 265 315 345 371 405 477 483 567 621 795 805 945 1,035 1,113 1,219 1,431 1,449 1,855 1,863 2,385 2,415 2,835 3,105 3,339 3,657 4,293 4,347 5,565 6,095 7,155 7,245 8,533 9,315 10,017 10,971 13,041 16,695 18,285 21,465 21,735 25,599 30,051 32,913 42,665 50,085 54,855 65,205 76,797 98,739 127,995 150,255 164,565 230,391 383,985 493,695 691,173 1,151,955 and 3,455,865, with no remainder.

Since 3,455,865 cannot be divided by just 1 and 3,455,865, 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).